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-rw-r--r--qga/vss-win32/install.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/qga/vss-win32/install.cpp b/qga/vss-win32/install.cpp
index 8076efe3cb..b57508fbe0 100644
--- a/qga/vss-win32/install.cpp
+++ b/qga/vss-win32/install.cpp
@@ -46,7 +46,8 @@ void errmsg(DWORD err, const char *text)
* If text doesn't contains '(', negative precision is given, which is
* treated as though it were missing.
*/
- char *msg = NULL, *nul = strchr(text, '(');
+ char *msg = NULL;
+ const char *nul = strchr(text, '(');
int len = nul ? nul - text : -1;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |