Mark all clean targets as phony.

Originally committed as revision 17950 to svn://svn.ffmpeg.org/ffmpeg/trunk

Makefile

@@ -303,4 +303,4 @@ tests/seek_test$(EXESUF): tests/seek_test.c $(FF_DEP_LIBS)
 	$(CC) $(FF_LDFLAGS) $(CFLAGS) -o $@ $< $(FF_EXTRALIBS)
 
 
-.PHONY: lib documentation *test regtest-* testclean swscale-error zlib-error alltools check
+.PHONY: lib documentation *test regtest-* swscale-error zlib-error alltools check

common.mak

@@ -54,7 +54,7 @@ install: install-libs install-headers
 
 uninstall: uninstall-libs uninstall-headers
 
-.PHONY: all depend dep clean distclean install* uninstall* tests
+.PHONY: all depend dep *clean install* uninstall* tests
 endif
 
 CFLAGS   += $(CFLAGS-yes)