Build ffserver_g as well as ffserver, consistent with the other binaries.

Originally committed as revision 12439 to svn://svn.ffmpeg.org/ffmpeg/trunk

Makefile

@@ -93,7 +93,7 @@ lib:
 ffmpeg_g$(EXESUF): ffmpeg.o cmdutils.o .libs
 	$(CC) $(LDFLAGS) -o $@ ffmpeg.o cmdutils.o $(EXTRALIBS)
 
-ffserver$(EXESUF): ffserver.o cmdutils.o .libs
+ffserver_g$(EXESUF): ffserver.o cmdutils.o .libs
 	$(CC) $(LDFLAGS) $(FFSERVERLDFLAGS) -o $@ ffserver.o cmdutils.o $(EXTRALIBS)
 
 ffplay_g$(EXESUF): ffplay.o cmdutils.o .libs