[CORE] Fix compile error "friend cannot be used with static" in mangler's and matchbot's threadfac.h (#1104)

Author: Mauller

Core/Tools/mangler/wlib/threadfac.h

@@ -97,7 +97,7 @@ class Runnable
 
    // So do the threadClassLaunchers
    #ifdef _WIN32
-      friend static unsigned __stdcall threadClassLauncher(void *temp);
+     friend unsigned __stdcall threadClassLauncher(void *temp);
    #else  // UNIX
      friend void *threadClassLauncher(void *temp);
    #endif

Core/Tools/matchbot/wlib/threadfac.h

@@ -97,7 +97,7 @@ class Runnable
 
    // So do the threadClassLaunchers
    #ifdef _WIN32
-      friend static unsigned __stdcall threadClassLauncher(void *temp);
+     friend unsigned __stdcall threadClassLauncher(void *temp);
    #else  // UNIX
      friend void *threadClassLauncher(void *temp);
    #endif