git/import: use patch(1)

we have a new, pretty patch(1), lets use it.

sys/src/cmd/git/import

@@ -78,7 +78,7 @@ fn apply @{
 	rc -c '
 		echo applying $msg | sed 1q
 		date=`{seconds $date}
-		if(! files=`$nl{ape/patch -Ep1 < $diffpath | grep ''^patching file'' | sed ''s/^patching file `(.*)''''/\1/''})
+		if(! files=`$nl{patch -p1 < $diffpath})
 			die ''patch failed''
 		for(f in $files){
 			if(test -e $f)