fix awk segfault

SVN-Revision: 7640

package/busybox/patches/400-revert_awk_getopt.patch

@@ -1,7 +1,7 @@
 Index: busybox-1.4.2/editors/awk.c
 ===================================================================
---- busybox-1.4.2.orig/editors/awk.c	2007-06-04 13:21:32.083099296 +0200
-+++ busybox-1.4.2/editors/awk.c	2007-06-04 13:21:35.202625056 +0200
+--- busybox-1.4.2.orig/editors/awk.c	2007-06-15 23:43:26.460690280 +0200
++++ busybox-1.4.2/editors/awk.c	2007-06-15 23:45:26.283474448 +0200
 @@ -2639,14 +2639,13 @@
  
  int awk_main(int argc, char **argv)
@@ -18,7 +18,7 @@ Index: busybox-1.4.2/editors/awk.c
  
  	/* Undo busybox.c, or else strtod may eat ','! This breaks parsing:
  	 * $1,$2 == '$1,' '$2', NOT '$1' ',' '$2' */
-@@ -2694,40 +2693,54 @@
+@@ -2694,40 +2693,56 @@
  		free(s);
  	}
  
@@ -83,13 +83,13 @@ Index: busybox-1.4.2/editors/awk.c
 -		parse_program(s + 1);
 -		free(s);
 -	} else { // no -f: take program from 1st parameter
--		if (!argc)
--			bb_show_usage();
 +	}
 +	argc -= optind;
 +	argv += optind;
 +
 +	if (!programname) {
+ 		if (!argc)
+ 			bb_show_usage();
  		programname = "cmd. line";
  		parse_program(*argv++);
  		argc--;