ash: ALWAYS_INLINE grabstackblock()

function                                             old     new   delta
grabstackblock                                         5       -      -5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/ash.c b/shell/ash.c
index a7f330c..8c0f3bd 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -1532,7 +1532,7 @@
 	return memcpy(stalloc(len), p, len);
 }
 
-static inline void
+static ALWAYS_INLINE void
 grabstackblock(size_t len)
 {
 	stalloc(len);