Some mingw compatibility tweaks.

modules/juce_core/juce_core.cpp

@@ -52,10 +52,13 @@
  #include <ctime>
  #include <winsock2.h>
  #include <ws2tcpip.h>
- #include <Dbghelp.h>
 
- #if ! JUCE_DONT_AUTOLINK_TO_WIN32_LIBRARIES
-  #pragma comment (lib, "DbgHelp.lib")
+ #if ! JUCE_MINGW
+  #include <Dbghelp.h>
+
+  #if ! JUCE_DONT_AUTOLINK_TO_WIN32_LIBRARIES
+   #pragma comment (lib, "DbgHelp.lib")
+  #endif
  #endif
 
  #if JUCE_MINGW

modules/juce_core/native/juce_win32_Threads.cpp

@@ -608,7 +608,7 @@ struct HighResolutionTimer::Pimpl
                 const int actualPeriod = jlimit ((int) tc.wPeriodMin, (int) tc.wPeriodMax, newPeriod);
 
                 timerID = timeSetEvent (actualPeriod, tc.wPeriodMin, callbackFunction, (DWORD_PTR) this,
-                                        TIME_PERIODIC | TIME_CALLBACK_FUNCTION | TIME_KILL_SYNCHRONOUS);
+                                        TIME_PERIODIC | TIME_CALLBACK_FUNCTION | 0x100 /*TIME_KILL_SYNCHRONOUS*/);
             }
         }
     }

modules/juce_core/system/juce_SystemStats.cpp

@@ -70,7 +70,7 @@ String SystemStats::getStackBacktrace()
 {
     String result;
 
-   #if JUCE_ANDROID
+   #if JUCE_ANDROID || JUCE_MINGW
     jassertfalse; // sorry, not implemented yet!
 
    #elif JUCE_WINDOWS