Simplify command with automatic variable.

Originally committed as revision 9267 to svn://svn.ffmpeg.org/ffmpeg/trunk

Makefile

@@ -84,7 +84,7 @@ version.h:
 	$(SRC_PATH)/version.sh $(SRC_PATH)
 
 output_example$(EXESUF): output_example.o .libs
-	$(CC) $(LDFLAGS) -o $@ output_example.o $(EXTRALIBS)
+	$(CC) $(LDFLAGS) -o $@ $< $(EXTRALIBS)
 
 qt-faststart$(EXESUF): qt-faststart.c
 	$(CC) $(CFLAGS) $< -o $@