Add required headers to fix warnings during 'make checkheaders'.

Originally committed as revision 16769 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/ppc/dsputil_ppc.h

@@ -21,6 +21,8 @@
 #ifndef AVCODEC_PPC_DSPUTIL_PPC_H
 #define AVCODEC_PPC_DSPUTIL_PPC_H
 
+#include "config.h"
+
 #if CONFIG_POWERPC_PERF
 void powerpc_display_perf_report(void);
 /* the 604* have 2, the G3* have 4, the G4s have 6,

libavcodec/ppc/mathops.h

@@ -23,6 +23,8 @@
 #ifndef AVCODEC_PPC_MATHOPS_H
 #define AVCODEC_PPC_MATHOPS_H
 
+#include "config.h"
+
 #if HAVE_PPC4XX
 /* signed 16x16 -> 32 multiply add accumulate */
 #define MAC16(rt, ra, rb) \