ANDROID: um: Return to old __section declarations for um

There are build issues in certain targets due to a recent change to the
section declarations (33def8498f). Until
this is reconciled properly, revert to the older declaration style for a
few files.

Signed-off-by: J. Avila <elavila@google.com>
Change-Id: Id34aeca94bb395f79fb6a3710f92c6827964a79d

arch/um/kernel/skas/clone.c

@@ -21,7 +21,7 @@
  * on some systems.
  */
 
-void __section(".__syscall_stub")
+void __attribute__ ((__section__ (".__syscall_stub")))
 stub_clone_handler(void)
 {
 	struct stub_data *data = (struct stub_data *) STUB_DATA;

arch/x86/um/stub_segv.c

@@ -8,7 +8,7 @@
 #include <sysdep/mcontext.h>
 #include <sys/ucontext.h>
 
-void __section(".__syscall_stub")
+void __attribute__ ((__section__ (".__syscall_stub")))
 stub_segv_handler(int sig, siginfo_t *info, void *p)
 {
 	ucontext_t *uc = p;