x86/uml/syscalls: Remove array index from syscall initializers

The recent syscall table generator rework removed the index from the
initializers for native x86 syscall tables, but missed the UML syscall
tables.

Fixes: 44fe489 ("Stop filling syscall arrays with *_sys_ni_syscall")
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20210524181707.132844-2-brgerst@gmail.com

Author: Brian Gerst

arch/x86/um/sys_call_table_32.c

@@ -31,7 +31,7 @@
 #include <asm/syscalls_32.h>
 
 #undef __SYSCALL
-#define __SYSCALL(nr, sym) [ nr ] = sym,
+#define __SYSCALL(nr, sym) sym,
 
 extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);
 

arch/x86/um/sys_call_table_64.c

@@ -39,7 +39,7 @@
 #include <asm/syscalls_64.h>
 
 #undef __SYSCALL
-#define __SYSCALL(nr, sym) [ nr ] = sym,
+#define __SYSCALL(nr, sym) sym,
 
 extern asmlinkage long sys_ni_syscall(unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, unsigned long);