mingw fix.

modules/juce_core/native/juce_win32_ComSmartPtr.h

@@ -36,7 +36,12 @@ inline GUID uuidFromString (const char* const s) noexcept
     unsigned long p0;
     unsigned int p1, p2, p3, p4, p5, p6, p7, p8, p9, p10;
 
-    sscanf_s (s, "%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X",
+  #ifndef _MSC_VER
+    sscanf
+  #else
+    sscanf_s
+  #endif
+        (s, "%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X",
               &p0, &p1, &p2, &p3, &p4, &p5, &p6, &p7, &p8, &p9, &p10);
 
     GUID g = { p0, (uint16) p1, (uint16) p2, { (uint8) p3, (uint8) p4, (uint8) p5, (uint8) p6,