Fix cpplint's whitespace warnings.

Change-Id: I16b69d773e59b49e8e30227b5aa5cb1959a8930f
diff --git a/src/check_jni.cc b/src/check_jni.cc
index a1a8a18..c740291 100644
--- a/src/check_jni.cc
+++ b/src/check_jni.cc
@@ -898,7 +898,7 @@
   sc.Check(true, types, ##args)
 
 #define CHECK_JNI_EXIT(type, exp) ({ \
-  typeof (exp) _rc = (exp); \
+  typeof(exp) _rc = (exp); \
   sc.Check(false, type, _rc); \
   _rc; })
 #define CHECK_JNI_EXIT_VOID() \