kernelbase: Avoid memory leaks in GetConsoleTitleW().

dlls/kernelbase/console.c

@@ -1057,16 +1057,17 @@ DWORD WINAPI DECLSPEC_HOTPATCH GetConsoleTitleW( LPWSTR title, DWORD size )
     if (!(params = HeapAlloc( GetProcessHeap(), 0, max_size )))
         return 0;
 
-    if (!console_ioctl( RtlGetCurrentPeb()->ProcessParameters->ConsoleHandle, IOCTL_CONDRV_GET_TITLE,
-                        NULL, 0, params, max_size, &size ))
-        return 0;
-
-    if (size < sizeof(*params)) return 0;
+    if (console_ioctl( RtlGetCurrentPeb()->ProcessParameters->ConsoleHandle, IOCTL_CONDRV_GET_TITLE,
+                       NULL, 0, params, max_size, &size ) &&
+        size >= sizeof(*params))
+    {
+        size -= sizeof(*params);
+        memcpy( title, params->buffer, size );
+        title[ size / sizeof(WCHAR) ] = 0;
+        size = params->title_len;
+    }
+    else size = 0;
 
-    size -= sizeof(*params);
-    memcpy( title, params->buffer, size );
-    title[ size / sizeof(WCHAR) ] = 0;
-    size = params->title_len;
     HeapFree( GetProcessHeap(), 0, params );
     return size;
 }