patch 9.1.0051: MS-Windows: Key event test fail

Problem:  MS-Windows: Key event test fail
          (after 9.1.0050)
Solution: Catch Interrupt and return Ctrl-C

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 3b56f2f..a21d043 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    51,
+/**/
     50,
 /**/
     49,