backtrace: Fix compiler warning on Windows

This change avoids a "variable 'got' might be clobbered by 'longjmp' or
'vfork'" warning with -Wextra.

diff --git a/src/libstrongswan/utils/backtrace.c b/src/libstrongswan/utils/backtrace.c
index f2631f3945a64e93d7ff67dfaa6a7e19af748801..83700ef351223f47611e8eaf2cff9124606ef9f0 100644 (file)
--- a/src/libstrongswan/utils/backtrace.c
+++ b/src/libstrongswan/utils/backtrace.c
@@ -870,7 +870,7 @@ static inline int backtrace_win(void **frames, int count)
        HANDLE process, thread;
        DWORD machine;
        CONTEXT context;
-       int got = 0;
+       volatile int got = 0;
 
        memset(&frame, 0, sizeof(frame));
        memset(&context, 0, sizeof(context));