do not include bswap.h in common.h for external programs, since the former

is not installed currently.

Originally committed as revision 5809 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavutil/common.h

@@ -155,8 +155,6 @@ typedef uint64_t      uint_fast64_t;
 #endif
 
 
-#    include "bswap.h"
-
 #ifdef HAVE_AV_CONFIG_H
 /* only include the following when compiling package */
 #    include "internal.h"

libavutil/internal.h

@@ -14,6 +14,8 @@
 #        define ENODATA  61
 #    endif
 
+#include "bswap.h"
+
 #include <stddef.h>
 #ifndef offsetof
 # define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F))