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>
diff --git a/scripts/kconfig/util.c b/scripts/kconfig/util.c
index 1fa4c0b..4556014 100644
--- a/scripts/kconfig/util.c
+++ b/scripts/kconfig/util.c
@@ -101,7 +101,7 @@
 	va_end(ap);
 }
 
-/* Retreive value of growable string */
+/* Retrieve value of growable string */
 const char *str_get(struct gstr *gs)
 {
 	return gs->s;