common.mak: Less ugly version of the previous windres fix

Using subst here is a really ugly hack
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

common.mak

@@ -61,7 +61,7 @@ COMPILE_HOSTC = $(call COMPILE,HOSTCC)
 	$(COMPILE_HOSTC)
 
 %.o: %.rc
-	$(WINDRES) $(IFLAGS) --preprocessor "$(subst @,,$(DEPCC)) -E -xc-header -DRC_INVOKED $(CC_DEPFLAGS)" -o $@ $<
+	$(WINDRES) $(IFLAGS) --preprocessor "$(DEPWINDRES) -E -xc-header -DRC_INVOKED $(CC_DEPFLAGS)" -o $@ $<
 
 %.i: %.c
 	$(CC) $(CCFLAGS) $(CC_E) $<

configure

@@ -4911,6 +4911,7 @@ LD_LIB=$LD_LIB
 LD_PATH=$LD_PATH
 DLLTOOL=$dlltool
 WINDRES=$windres
+DEPWINDRES=$dep_cc
 LDFLAGS=$LDFLAGS
 SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))
 ASMSTRIPFLAGS=$ASMSTRIPFLAGS