Fix exception throwing in monitor-enter for MIPS.

Need to deliver pending exception.

Change-Id: I1bceb1b0d866acc7b3190e7c661993ad43fc1769
diff --git a/runtime/arch/mips/quick_entrypoints_mips.S b/runtime/arch/mips/quick_entrypoints_mips.S
index e9c6698..7780bb3 100644
--- a/runtime/arch/mips/quick_entrypoints_mips.S
+++ b/runtime/arch/mips/quick_entrypoints_mips.S
@@ -489,7 +489,7 @@
     move    $a1, rSELF                    # pass Thread::Current
     jal     artLockObjectFromCode         # (Object* obj, Thread*, $sp)
     move    $a2, $sp                      # pass $sp
-    RESTORE_REF_ONLY_CALLEE_SAVE_FRAME_AND_RETURN
+    RETURN_IF_ZERO
 END art_quick_lock_object
 
     /*