fftools/cmdutils: Inline print_error()

It is only used by ffprobe (once) and ffplay (twice);
inlining it avoids including it unnecessarily into ffmpeg.

Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

fftools/cmdutils.c

@@ -895,11 +895,6 @@ do {                                                                           \
     return 0;
 }
 
-void print_error(const char *filename, int err)
-{
-    av_log(NULL, AV_LOG_ERROR, "%s: %s\n", filename, av_err2str(err));
-}
-
 int read_yesno(void)
 {
     int c = getchar();

fftools/cmdutils.h

@@ -395,7 +395,10 @@ int setup_find_stream_info_opts(AVFormatContext *s,
  *
  * @see av_strerror()
  */
-void print_error(const char *filename, int err);
+static inline void print_error(const char *filename, int err)
+{
+    av_log(NULL, AV_LOG_ERROR, "%s: %s\n", filename, av_err2str(err));
+}
 
 /**
  * Print the program banner to stderr. The banner contents depend on the