SF Feature #: 719429, Get the SSL module to build on RedHat 9.

krb5.h is in it's own directory

setup.py

@@ -443,6 +443,10 @@ class PyBuildExt(build_ext):
                               '/usr/contrib/ssl/include/'
                              ]
                              )
+        krb5_h = find_file('krb5.h', inc_dirs,
+                           ['/usr/kerberos/include'])
+        if krb5_h:
+            ssl_incs += krb5_h
         ssl_libs = find_library_file(self.compiler, 'ssl',lib_dirs,
                                      ['/usr/local/ssl/lib',
                                       '/usr/contrib/ssl/lib/'