krb5 commit: Fix Windows strerror_r() implementation

https://github.com/krb5/krb5/commit/e952578cab6c954c3804323fb5ff256858c3b86c
commit e952578cab6c954c3804323fb5ff256858c3b86c
Author: Greg Hudson <[email protected]>
Date:   Wed Jun 6 18:26:42 2018 -0400

    Fix Windows strerror_r() implementation
    
    Commit 6351586a771e9a99e1e946cc9a0b6a87bbb14094 (ticket 7961)
    introduced several variants of strerror_r().  The Windows one
    contained a bug which made its return value undefined; fix that.
    
    ticket: 8690 (new)

 src/util/support/strerror_r.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/util/support/strerror_r.c b/src/util/support/strerror_r.c
index e1ca565..090e179 100644
--- a/src/util/support/strerror_r.c
+++ b/src/util/support/strerror_r.c
@@ -46,6 +46,7 @@ k5_strerror_r(int errnum, char *buf, size_t buflen)
         errno = st;
         return -1;
     }
+    return 0;
 }
 
 #elif !defined(HAVE_STRERROR_R)