headers: allow DebugBreak in winstore builds

Available in api-ms-win-core-debug-l1-1-0.dll :
https://docs.microsoft.com/en-us/uwp/win32-and-com/win32-apis

Signed-off-by: Liu Hao <lh_mouse@126.com>
diff --git a/mingw-w64-headers/include/debugapi.h b/mingw-w64-headers/include/debugapi.h
index 75260bc..107bb74 100644
--- a/mingw-w64-headers/include/debugapi.h
+++ b/mingw-w64-headers/include/debugapi.h
@@ -15,6 +15,7 @@
 #endif
 
 #if WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_APP)
+  WINBASEAPI VOID WINAPI DebugBreak (VOID);
   WINBASEAPI WINBOOL WINAPI IsDebuggerPresent (VOID);
   WINBASEAPI VOID WINAPI OutputDebugStringA (LPCSTR lpOutputString);
   WINBASEAPI VOID WINAPI OutputDebugStringW (LPCWSTR lpOutputString);
@@ -23,7 +24,6 @@
 #endif
 
 #if WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP)
-  WINBASEAPI VOID WINAPI DebugBreak (VOID);
   WINBASEAPI WINBOOL APIENTRY ContinueDebugEvent (DWORD dwProcessId, DWORD dwThreadId, DWORD dwContinueStatus);
   WINBASEAPI WINBOOL APIENTRY WaitForDebugEvent (LPDEBUG_EVENT lpDebugEvent, DWORD dwMilliseconds);
   WINBASEAPI WINBOOL APIENTRY DebugActiveProcess (DWORD dwProcessId);