remove ugly shadowing of loop indexes in subloops.

builtin-mv.c and git.c has a nested loop that is governed by a
variable 'i', but they shadow it with another instance of 'i'.
Signed-off-by: NPierre Habouzit <madcoder@debian.org>
Signed-off-by: NJunio C Hamano <junkio@cox.net>

builtin-mv.c

@@ -262,10 +262,10 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
 	} else {
 		for (i = 0; i < changed.nr; i++) {
 			const char *path = changed.items[i].path;
-			int i = cache_name_pos(path, strlen(path));
-			struct cache_entry *ce = active_cache[i];
+			int j = cache_name_pos(path, strlen(path));
+			struct cache_entry *ce = active_cache[j];
 
-			if (i < 0)
+			if (j < 0)
 				die ("Huh? Cache entry for %s unknown?", path);
 			refresh_cache_entry(ce, 0);
 		}

git.c

@@ -292,11 +292,11 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
 		if (p->option & USE_PAGER)
 			setup_pager();
 		if (getenv("GIT_TRACE")) {
-			int i;
+			int j;
 			fprintf(stderr, "trace: built-in: git");
-			for (i = 0; i < argc; ++i) {
+			for (j = 0; j < argc; ++j) {
 				fputc(' ', stderr);
-				sq_quote_print(stderr, argv[i]);
+				sq_quote_print(stderr, argv[j]);
 			}
 			putc('\n', stderr);
 			fflush(stderr);