fix the find command line

Makefile.am

@@ -46,7 +46,7 @@ pkgconfig_DATA = libcurl.pc
 dist-hook:
 	rm -rf $(top_builddir)/tests/log
 	find $(distdir) -name "*.dist" -exec rm {} \;
-	(distit=`find $(srcdir) -name "*.dist | grep -v ./ares/"`; \
+	(distit=`find $(srcdir) -name "*.dist" | grep -v ./ares/`; \
 	for file in $$distit; do \
 	  strip=`echo $$file | sed -e s/^$(srcdir)// -e s/\.dist//`; \
 	  cp $$file $(distdir)$$strip; \