Index: dll/win32/hhctrl.ocx/help.c
===================================================================
--- dll/win32/hhctrl.ocx/help.c	(revision 54978)
+++ dll/win32/hhctrl.ocx/help.c	(working copy)
@@ -1260,7 +1260,8 @@
     RECT winPos = info->WinType.rcWindowPos;
     WNDCLASSEXW wcex;
     DWORD dwStyles, dwExStyles;
-    DWORD x, y, width = 0, height = 0;
+    DWORD x, y, width, height;
+    x = y = width = height = 0;
     LPCWSTR caption;
 
     static const WCHAR windowClassW[] = {
Index: dll/win32/windowscodecs/bmpdecode.c
===================================================================
--- dll/win32/windowscodecs/bmpdecode.c	(revision 54978)
+++ dll/win32/windowscodecs/bmpdecode.c	(working copy)
@@ -185,7 +185,7 @@
 {
     HRESULT hr;
     BmpDecoder *This = impl_from_frame(iface);
-    int count;
+    int count=0;
     WICColor *wiccolors=NULL;
     RGBTRIPLE *bgrcolors=NULL;
 
Index: dll/win32/ws2_32_new/src/sockctrl.c
===================================================================
--- dll/win32/ws2_32_new/src/sockctrl.c	(revision 54978)
+++ dll/win32/ws2_32_new/src/sockctrl.c	(working copy)
@@ -29,6 +29,7 @@
     PWSTHREAD Thread;
     PWSSOCKET Socket;
     INT ErrorCode, OldErrorCode;
+    ErrorCode = OldErrorCode = 0;
     INT Status;
     BOOLEAN TryAgain = TRUE;
     DPRINT("connect: %lx, %p, %lx\n", s, name, namelen);
Index: drivers/usb/nt4compat/usbdrv/usb.c
===================================================================
--- drivers/usb/nt4compat/usbdrv/usb.c	(revision 54978)
+++ drivers/usb/nt4compat/usbdrv/usb.c	(working copy)
@@ -1024,6 +1024,7 @@
 usb_cal_cpu_freq()
 {
     LARGE_INTEGER tick1, tick2;
+    tick1.QuadPart = tick2.QuadPart = 0;
     LONG i;
     // interval.QuadPart = -40 * 1000 * 1000;