krb5 commit: Build with -Werror-implicit-int where supported

https://github.com/krb5/krb5/commit/28c8e54cd85af8698c2aa0f9e4ee3a097473bd47
commit 28c8e54cd85af8698c2aa0f9e4ee3a097473bd47
Author: Robbie Harwood <[email protected]>
Date:   Thu Nov 10 13:20:49 2016 -0500

    Build with -Werror-implicit-int where supported

 src/aclocal.m4 |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/aclocal.m4 b/src/aclocal.m4
index 9c46da4..510d9ba 100644
--- a/src/aclocal.m4
+++ b/src/aclocal.m4
@@ -528,7 +528,7 @@ if test "$GCC" = yes ; then
     TRY_WARN_CC_FLAG(-Wno-format-zero-length)
     # Other flags here may not be supported on some versions of
     # gcc that people want to use.
-    for flag in overflow strict-overflow missing-format-attribute missing-prototypes return-type missing-braces parentheses switch unused-function unused-label unused-variable unused-value unknown-pragmas sign-compare newline-eof error=uninitialized error=pointer-arith error=int-conversion error=incompatible-pointer-types error=discarded-qualifiers ; do
+    for flag in overflow strict-overflow missing-format-attribute missing-prototypes return-type missing-braces parentheses switch unused-function unused-label unused-variable unused-value unknown-pragmas sign-compare newline-eof error=uninitialized error=pointer-arith error=int-conversion error=incompatible-pointer-types error=discarded-qualifiers error=implicit-int ; do
       TRY_WARN_CC_FLAG(-W$flag)
     done
     #  old-style-definition? generates many, many warnings