libbb: new function bb_die_memory_exhausted

function                                             old     new   delta
bb_die_memory_exhausted                                -      10     +10
xstrdup                                               28      23      -5
xsetenv                                               27      22      -5
xrealloc                                              32      27      -5
xputenv                                               22      17      -5
xmalloc                                               30      25      -5
xfdopen_helper                                        40      35      -5
xasprintf                                             44      39      -5
wget_main                                           2387    2382      -5
open_socket                                           54      49      -5
glob_brace                                           419     414      -5
bb_get_chunk_from_file                               146     141      -5
------------------------------------------------------------------------------
(add/remove: 1/0 grow/shrink: 0/11 up/down: 10/-55)           Total: -45 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/hush.c b/shell/hush.c
index 1921932..8246b5f 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -3158,7 +3158,7 @@
 				return o_save_ptr_helper(o, n);
 			}
 			if (gr == GLOB_NOSPACE)
-				bb_error_msg_and_die(bb_msg_memory_exhausted);
+				bb_die_memory_exhausted();
 			/* GLOB_ABORTED? Only happens with GLOB_ERR flag,
 			 * but we didn't specify it. Paranoia again. */
 			bb_error_msg_and_die("glob error %d on '%s'", gr, pattern);
@@ -3260,7 +3260,7 @@
 			goto literal;
 		}
 		if (gr == GLOB_NOSPACE)
-			bb_error_msg_and_die(bb_msg_memory_exhausted);
+			bb_die_memory_exhausted();
 		/* GLOB_ABORTED? Only happens with GLOB_ERR flag,
 		 * but we didn't specify it. Paranoia again. */
 		bb_error_msg_and_die("glob error %d on '%s'", gr, pattern);