Add back .size for __start

libc/sysdeps/linux/mips/crt1.S

@@ -112,6 +112,7 @@ __start:
 hlt:
 	/* Crash if somehow `__uClibc_start_main' returns anyway.  */
 	b   hlt
+.size __start,.-__start
 
 /* Define a symbol for the first piece of initialized data.  */
 	.data