Move av_cmp_i()'s unaltered comment to the header file.

Originally committed as revision 8229 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavutil/integer.c

@@ -84,9 +84,6 @@ AVInteger av_mul_i(AVInteger a, AVInteger b){
     return out;
 }
 
-/**
- * returns 0 if a==b, 1 if a>b and -1 if a<b.
- */
 int av_cmp_i(AVInteger a, AVInteger b){
     int i;
     int v= (int16_t)a.v[AV_INTEGER_SIZE-1] - (int16_t)b.v[AV_INTEGER_SIZE-1];

libavutil/integer.h

@@ -39,6 +39,10 @@ AVInteger av_add_i(AVInteger a, AVInteger b);
 AVInteger av_sub_i(AVInteger a, AVInteger b);
 int av_log2_i(AVInteger a);
 AVInteger av_mul_i(AVInteger a, AVInteger b);
+
+/**
+ * returns 0 if a==b, 1 if a>b and -1 if a<b.
+ */
 int av_cmp_i(AVInteger a, AVInteger b);
 
 /**