Increase static buffer size

While 100 was almost certainly long enough for all the non-string data
that we'd find on a single line, it was a little too close for comfort.
So let's go total overkill and not worry about it.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

load-git.c

@@ -783,7 +783,7 @@ static const char *parse_one_string(const char *buf, const char *end, struct mem
 }
 
 typedef void (line_fn_t)(char *, struct membuffer *, void *);
-#define MAXLINE 100
+#define MAXLINE 500
 static unsigned parse_one_line(const char *buf, unsigned size, line_fn_t *fn, void *fndata, struct membuffer *b)
 {
 	const char *end = buf + size;