Fixed GCPadNew GUI, clicking Set is no longer needed after choosing items from the list on Linux.

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@5370 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Plugins/Plugin_GCPadNew/Src/GCPadNew.cpp

@@ -28,7 +28,7 @@
 #endif
 
 // plugin globals
-Plugin g_plugin( "GCPadNew", "Pad", "GCPad" );
+static Plugin g_plugin( "GCPadNew", "Pad", "GCPad" );
 SPADInitialize *g_PADInitialize = NULL;
 
 #ifdef _WIN32