Merge pull request #60 from algernon/h/mousekeys-vs-dot-a-linkage

MouseKeys: Make MouseKeys static

libraries/Keyboardio-MouseKeys/src/Keyboardio-MouseKeys.cpp

@@ -56,5 +56,3 @@ static bool handleMouseKeys(Key mappedKey, byte row, byte col, uint8_t keyState)
 MouseKeys_::MouseKeys_(void) {
     event_handler_hook_add (handleMouseKeys);
 }
-
-MouseKeys_ MouseKeys;

libraries/Keyboardio-MouseKeys/src/Keyboardio-MouseKeys.h

@@ -7,4 +7,4 @@ class MouseKeys_ {
     MouseKeys_ (void);
 };
 
-extern MouseKeys_ MouseKeys;
+static MouseKeys_ MouseKeys;