Convert typeof keyword into __typeof__; this is a gcc extension and the former...

Convert typeof keyword into __typeof__; this is a gcc extension and the former is not accepted in C99 without GNU extensions enabled (e.g. via -fasm).  This fixes compilation on PPC.

Originally committed as revision 27805 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale

libswscale/yuv2rgb_altivec.c

@@ -154,7 +154,7 @@ const vector unsigned char
 
 #define vec_merge3(x2,x1,x0,y0,y1,y2)       \
 do {                                        \
-    typeof(x0) o0,o2,o3;                    \
+    __typeof__(x0) o0,o2,o3;                \
         o0 = vec_mergeh (x0,x1);            \
         y0 = vec_perm (o0, x2, perm_rgb_0); \
         o2 = vec_perm (o0, x2, perm_rgb_1); \
@@ -165,7 +165,7 @@ do {                                        \
 
 #define vec_mstbgr24(x0,x1,x2,ptr)      \
 do {                                    \
-    typeof(x0) _0,_1,_2;                \
+    __typeof__(x0) _0,_1,_2;            \
     vec_merge3 (x0,x1,x2,_0,_1,_2);     \
     vec_st (_0, 0, ptr++);              \
     vec_st (_1, 0, ptr++);              \
@@ -174,7 +174,7 @@ do {                                    \
 
 #define vec_mstrgb24(x0,x1,x2,ptr)      \
 do {                                    \
-    typeof(x0) _0,_1,_2;                \
+    __typeof__(x0) _0,_1,_2;            \
     vec_merge3 (x2,x1,x0,_0,_1,_2);     \
     vec_st (_0, 0, ptr++);              \
     vec_st (_1, 0, ptr++);              \
@@ -222,12 +222,12 @@ do {                                                                          \
 
 #define vec_unh(x) \
     (vector signed short) \
-        vec_perm(x,(typeof(x)){0}, \
+        vec_perm(x,(__typeof__(x)){0}, \
                  ((vector unsigned char){0x10,0x00,0x10,0x01,0x10,0x02,0x10,0x03,\
                                          0x10,0x04,0x10,0x05,0x10,0x06,0x10,0x07}))
 #define vec_unl(x) \
     (vector signed short) \
-        vec_perm(x,(typeof(x)){0}, \
+        vec_perm(x,(__typeof__(x)){0}, \
                  ((vector unsigned char){0x10,0x08,0x10,0x09,0x10,0x0A,0x10,0x0B,\
                                          0x10,0x0C,0x10,0x0D,0x10,0x0E,0x10,0x0F}))
 
@@ -240,7 +240,7 @@ do {                                                                          \
         ((vector unsigned short)vec_max (x,((vector signed short) {0})), \
          (vector unsigned short)vec_max (y,((vector signed short) {0})))
 
-//#define out_pixels(a,b,c,ptr) vec_mstrgb32(typeof(a),((typeof (a)){0}),a,a,a,ptr)
+//#define out_pixels(a,b,c,ptr) vec_mstrgb32(__typeof__(a),((__typeof__ (a)){0}),a,a,a,ptr)
 
 
 static inline void cvtyuvtoRGB (SwsContext *c,
@@ -441,10 +441,10 @@ static int altivec_##name (SwsContext *c,                               \
 }
 
 
-#define out_abgr(a,b,c,ptr)  vec_mstrgb32(typeof(a),((typeof (a)){0}),c,b,a,ptr)
-#define out_bgra(a,b,c,ptr)  vec_mstrgb32(typeof(a),c,b,a,((typeof (a)){0}),ptr)
-#define out_rgba(a,b,c,ptr)  vec_mstrgb32(typeof(a),a,b,c,((typeof (a)){0}),ptr)
-#define out_argb(a,b,c,ptr)  vec_mstrgb32(typeof(a),((typeof (a)){0}),a,b,c,ptr)
+#define out_abgr(a,b,c,ptr)  vec_mstrgb32(__typeof__(a),((__typeof__ (a)){0}),c,b,a,ptr)
+#define out_bgra(a,b,c,ptr)  vec_mstrgb32(__typeof__(a),c,b,a,((__typeof__ (a)){0}),ptr)
+#define out_rgba(a,b,c,ptr)  vec_mstrgb32(__typeof__(a),a,b,c,((__typeof__ (a)){0}),ptr)
+#define out_argb(a,b,c,ptr)  vec_mstrgb32(__typeof__(a),((__typeof__ (a)){0}),a,b,c,ptr)
 #define out_rgb24(a,b,c,ptr) vec_mstrgb24(a,b,c,ptr)
 #define out_bgr24(a,b,c,ptr) vec_mstbgr24(a,b,c,ptr)