Initialise 'mimetype'

With MSVC's option `/RTCu` (Uninitialized local usage checks), a simple `curlx.exe` fails with a dialogue box.
A simple fix is just to initialise to NULL.

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/examples/curlx.c b/docs/examples/curlx.c
index df4ab3fa2..b4f747cf3 100644
--- a/docs/examples/curlx.c
+++ b/docs/examples/curlx.c
@@ -277,7 +277,7 @@ int main(int argc, char **argv)
 
   int tabLength = 100;
   char *binaryptr;
-  char *mimetype;
+  char *mimetype = NULL;
   char *mimetypeaccept = NULL;
   char *contenttype;
   const char **pp;