fixed uninitialized variable warning

svn path=/trunk/; revision=18085

diff --git a/reactos/lib/rtl/debug.c b/reactos/lib/rtl/debug.c
index dad781c..eb33c7f 100644 (file)
--- a/reactos/lib/rtl/debug.c
+++ b/reactos/lib/rtl/debug.c
@@ -256,6 +256,7 @@ DbgPrintReturnControlC(PCH Format,
     va_list ap;\r
 \r
     /* Call the internal routine that also handles ControlC */\r
+    va_start(ap, Format);\r
     return vDbgPrintExWithPrefixInternal(NULL,\r
                                          -1,\r
                                          DPFLTR_ERROR_LEVEL,\r