s/retreiv/retriev/g

As everyone knows, the rule is: "i before e.. um.. always."

Signed-off-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

scripts/kconfig/util.c

@@ -101,7 +101,7 @@ void str_printf(struct gstr *gs, const char *fmt, ...)
 	va_end(ap);
 }
 
-/* Retreive value of growable string */
+/* Retrieve value of growable string */
 const char *str_get(struct gstr *gs)
 {
 	return gs->s;