Fix link errors with MinGW.

MinGW supports a limited form of weak symbols, with the restriction
that weak/default implementations need to be defined in the same
translation unit they are called from.  Strong/overriding symbols
may of course be specified in a different translation unit.

src/unity.c

@@ -5,6 +5,7 @@
 ============================================================================ */
 
 #include "unity.h"
+#include "unity_setup.h"
 #include <stddef.h>
 
 /* If omitted from header, declare overrideable prototypes here so they're ready for use */
@@ -1310,23 +1311,6 @@ void UnityIgnore(const char* msg, const UNITY_LINE_TYPE line)
     UNITY_IGNORE_AND_BAIL;
 }
 
-/*-----------------------------------------------*/
-#if defined(UNITY_WEAK_ATTRIBUTE)
-  UNITY_WEAK_ATTRIBUTE void setUp(void) { }
-  UNITY_WEAK_ATTRIBUTE void tearDown(void) { }
-  UNITY_WEAK_ATTRIBUTE void suiteSetUp(void) { }
-  UNITY_WEAK_ATTRIBUTE int suiteTearDown(int num_failures) { return num_failures; }
-#elif defined(UNITY_WEAK_PRAGMA)
-  #pragma weak setUp
-  void setUp(void) { }
-  #pragma weak tearDown
-  void tearDown(void) { }
-  #pragma weak suiteSetUp
-  void suiteSetUp(void) { }
-  #pragma weak suiteTearDown
-  int suiteTearDown(int num_failures) { return num_failures; }
-#endif
-
 /*-----------------------------------------------*/
 void UnityDefaultTestRun(UnityTestFunction Func, const char* FuncName, const int FuncLineNum)
 {