supressed double output in patchall

Makefile

@@ -81,7 +81,7 @@ endef
 
 #applies all patches in $1 to target directory $2
 define patch_all =
-$(foreach p,$(wildcard $1/*),echo "Applying \"$1\" to \"$2\":" && \
+$(foreach p,$(wildcard $1/*),@echo "Applying \"$1\" to \"$2\":" && \
 	cat "$p" | patch -d"$2" -p1 && echo "done." && ) true
 endef