Revert "sb138: #i115619# fix for MinGW"

This reverts commit 6727dc5d94.
We now don't support compiling using MinGW.

Change-Id: I0dee00780bfb4b7deceddd8cd30af03b7f7ed212
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/116591
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

include/osl/thread.h

@@ -191,8 +191,8 @@ SAL_DLLPUBLIC void SAL_CALL osl_yieldThread(void);
 
     The name of a thread is usually evaluated for debugging purposes.  Not all
     platforms support this.  On Linux, a set thread name can be observed with
-    "ps -L".  On Windows with the Microsoft compiler, a thread name set while a
-    debugger is attached can be observed within the debugger.
+    "ps -L".  On Windows a thread name set while a debugger is attached can be
+    observed within the debugger.
 
     @param name  the name of the thread; must not be null; on Linux, only the
     first 16 characters are used

sal/osl/w32/thread.cxx

@@ -359,7 +359,6 @@ void SAL_CALL osl_yieldThread(void)
 }
 
 void SAL_CALL osl_setThreadName(char const * name) {
-#ifdef _MSC_VER
     /* See <http://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx>: */
 #pragma pack(push, 8)
     struct {
@@ -378,9 +377,6 @@ void SAL_CALL osl_setThreadName(char const * name) {
             0x406D1388, 0, sizeof info / sizeof (ULONG_PTR),
             reinterpret_cast<ULONG_PTR *>(&info));
     } __except (EXCEPTION_EXECUTE_HANDLER) {}
-#else
-    (void) name;
-#endif
 }
 
 namespace {

sal/qa/osl/setthreadname/test-setthreadname.cxx

@@ -51,8 +51,7 @@ void TestThread::run() {
     setName("TestThread");
     if (std::getenv("URE_TEST_SETTHREADNAME") != nullptr) {
         // On Linux, the thread name can now be observed with "ps -L"; on
-        // Windows with the Microsoft compiler, the thread name can now be
-        // observed in a debugger.
+        // Windows, the thread name can now be observed in a debugger.
         std::cout << "stop: ";
         std::cin.ignore(std::numeric_limits< int >::max(), '\n');
     }