remove patch already included in current common_linux.h

segfaults.patch

@@ -1,12 +0,0 @@
-diff -ruN common_linux.h.orig common_linux.h
---- common_linux.h.orig	2012-04-23 11:27:55.000000000 +0800
-+++ common_linux.h	2012-05-08 23:43:00.000000000 +0800
-@@ -77,7 +77,7 @@
- #else
- //Fixed randomly SEGFAULT when nodemask==NULL with above Linux 2.6.34
- //	unsigned long null_nodemask=0;
--	return syscall(SYS_mbind, addr, len, mode, nodemask, maxnode, flags);
-+	return 0;
- #endif
- }
-