update contributing doc

Change-Id: I3eda55b13ee8255c8a59f93422f462d8cd7a158d

CONTRIBUTING.md

@@ -1,5 +1,15 @@
 # Contributing to Jep
 
+## Build issues
+
+Testing the build of Jep on the variety of possible platforms and environments
+is difficult. It works well for Linux and OS X.  Building on Windows poses
+unique challenges that have been documented on the [Windows wiki page](https://github.com/mrj0/jep/wiki/Windows).
+If your environment has build problems please search for a solution and post
+your results to the mailing list so it is documented for others with a similar
+environment.
+
+
 ## Reporting issues
 
 Please only report issues that you believe are bugs or feature requests.
@@ -10,6 +20,7 @@ When reporting bugs please include the Python version, Java version, and
 operating system.  It is also helpful if you can recreate or simulate the
 problem with a simple test with the Jep command line interpreter.
 
+
 ## Contributing code
 
 If you're fixing an issue and it's not a lot of code, just go ahead and

src/jep/jep_util.c

@@ -1178,7 +1178,6 @@ jvalue convert_pyarg_jvalue(JNIEnv *env,
             jstring expTypeJavaName, actTypeJavaName = NULL;
             const char *expTypeName, *actTypeName;
 
-
             getName = (*env)->GetMethodID(env, JCLASS_TYPE, "getName",
                                           "()Ljava/lang/String;");
             expTypeJavaName = (*env)->CallObjectMethod(env, paramType, getName);