Add sanitization markers.

gas/config/tc-arm.c

@@ -6406,14 +6406,14 @@ arm_canonicalize_symbol_name (name)
 
   return name;
 }
-
+/* start-sanitize-armelf */
 boolean
 arm_fix_adjustable(fixP)
   fixS *fixP;
 {
   return 1;
 }
-
+/* end-sanitize-armelf */
 
 boolean
 arm_validate_fix (fixP)

gas/config/tc-arm.h

@@ -95,11 +95,15 @@ extern void arm_frob_label PARAMS ((struct symbol *));
    deliberately not been updated to mark assembler created stabs
    symbols as Thumb.  */
 
+/* start-sanitize-armelf */
 #ifdef OBJ_ELF
 #define obj_fix_adjustable(fixP) arm_fix_adjustable(fixP)
 #else
+/* end-sanitize-armelf */
 #define obj_fix_adjustable(fixP) 0
+/* start-sanitize-armelf */
 #endif
+/* end-sanitize-armelf */
 
 /* We need to keep some local information on symbols.  */