add a patch to disable compile-time buffer checks enabled by default on Ubuntu 8.10 and later (closes: #4826)

SVN-Revision: 15119

target/linux/uml/patches/002-gcc4_unfortify_source.patch

@@ -0,0 +1,11 @@
+--- a/arch/um/Makefile-i386
++++ b/arch/um/Makefile-i386
+@@ -39,4 +39,8 @@ KBUILD_CFLAGS += $(shell if [ $(call cc-
+ 			echo $(call cc-option,-fno-unit-at-a-time); \
+ 			else echo $(call cc-option,-funit-at-a-time); fi ;)
+ 
++# disable compile-time buffer checks, enabled by default on Ubuntu 8.10 
++# and later
++KBUILD_CFLAGS += $(call cc-option,-U_FORTIFY_SOURCE)
++
+ KBUILD_CFLAGS += $(cflags-y)