Handle the COORD <-> DWORD conversion the canonical way.

dlls/kernel/console.c

@@ -796,10 +796,13 @@ DWORD WINAPI GetConsoleTitleW(LPWSTR title, DWORD size)
 #undef GetLargestConsoleWindowSize
 DWORD WINAPI GetLargestConsoleWindowSize(HANDLE hConsoleOutput)
 {
-    COORD c;
-    c.X = 80;
-    c.Y = 24;
-    return *(DWORD *)&c;
+    union {
+	COORD c;
+	DWORD w;
+    } x;
+    x.c.X = 80;
+    x.c.Y = 24;
+    return x.w;
 }
 #endif /* defined(__i386__) */
 

include/wincon.h

@@ -180,12 +180,12 @@ DWORD WINAPI GetLargestConsoleWindowSize(HANDLE);
 
 inline static COORD __wine_GetLargestConsoleWindowSize_wrapper(HANDLE h)
 {
-    COORD c;
-    DWORD dw = GetLargestConsoleWindowSize(h);
-
-    c.X = LOWORD(dw);
-    c.Y = HIWORD(dw);
-    return c;
+    union {
+      COORD c;
+      DWORD dw;
+    } u;
+    u.dw = GetLargestConsoleWindowSize(h);
+    return u.c;
 }
 #define GetLargestConsoleWindowSize(h) __wine_GetLargestConsoleWindowSize_wrapper(h)