asm_arm.inc: use RESUME_SYNTAX everywhere

This makes it so clang wont yell when compiling.
diff --git a/asm_arm.inc b/asm_arm.inc
index 688fdc7..e3c8cb1 100644
--- a/asm_arm.inc
+++ b/asm_arm.inc
@@ -620,7 +620,7 @@
         "str %[r3], [%[r0], %[r6]] \n\t" /* result[num_words * 2 - 1] = c0 */
         "pop {%[r0]} \n\t"               /* pop result off the stack */
         
-        ".syntax divided \n\t"
+        RESUME_SYNTAX
         : [r3] "+l" (num_words), [r4] "=&l" (r4),
           [r5] "=&l" (r5), [r6] "=&l" (r6), [r7] "=&l" (r7)
         : [r0] "l" (result), [r1] "l" (left), [r2] "l" (right)
@@ -805,7 +805,7 @@
         "str %[r2], [%[r0], %[r5]] \n\t" /* result[num_words * 2 - 1] = c0 */
         "pop {%[r0]} \n\t"               /* pop result off the stack */
 
-        ".syntax divided \n\t"
+        RESUME_SYNTAX
         : [r2] "+l" (num_words), [r3] "=&l" (r3), [r4] "=&l" (r4),
           [r5] "=&l" (r5), [r6] "=&l" (r6), [r7] "=&l" (r7)
         : [r0] "l" (result), [r1] "l" (left)