get_remote_group(): rename local variable "space" to "wordlen"

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin/fetch.c b/builtin/fetch.c
index 9f7fe98..680ba66 100644
--- a/builtin/fetch.c
+++ b/builtin/fetch.c
@@ -976,13 +976,13 @@
 	if (starts_with(key, "remotes.") &&
 			!strcmp(key + 8, g->name)) {
 		/* split list by white space */
-		int space = strcspn(value, " \t\n");
+		size_t wordlen = strcspn(value, " \t\n");
 		while (*value) {
-			if (space >= 1)
+			if (wordlen >= 1)
 				string_list_append(g->list,
-						   xstrndup(value, space));
-			value += space + (value[space] != '\0');
-			space = strcspn(value, " \t\n");
+						   xstrndup(value, wordlen));
+			value += wordlen + (value[wordlen] != '\0');
+			wordlen = strcspn(value, " \t\n");
 		}
 	}