CDRIVER-299 fix cmake check for SSPI

Author: ajdavis

CMakeLists.txt

@@ -129,7 +129,12 @@ if (NOT (ENABLE_SASL STREQUAL CYRUS
       "ENABLE_SASL option must be CYRUS, SSPI, AUTO, or OFF")
 endif()
 
+# Defaults.
+set (MONGOC_ENABLE_SASL 0)
+set (MONGOC_ENABLE_SASL_CYRUS 0)
+set (MONGOC_ENABLE_SASL_SSPI 0)
 set (MONGOC_HAVE_SASL_CLIENT_DONE 0)
+
 if (NOT ENABLE_SASL STREQUAL OFF)
    if (ENABLE_SASL STREQUAL AUTO OR ENABLE_SASL STREQUAL CYRUS)
       include(FindSASL2)
@@ -138,16 +143,12 @@ if (NOT ENABLE_SASL STREQUAL OFF)
    if (SASL2_FOUND)
       set (MONGOC_ENABLE_SASL 1)
       set (MONGOC_ENABLE_SASL_CYRUS 1)
-      set (MONGOC_ENABLE_SASL_SSPI 0)
-   else ((ENABLE_SASL STREQUAL SSPI OR ENABLE_SASL STREQUAL AUTO) AND WIN32)
+   elseif ((ENABLE_SASL STREQUAL SSPI OR ENABLE_SASL STREQUAL AUTO) AND WIN32)
       set (MONGOC_ENABLE_SASL 1)
-      set (MONGOC_ENABLE_SASL_CYRUS 0)
       set (MONGOC_ENABLE_SASL_SSPI 1)
    endif ()
 else ()
    set (MONGOC_ENABLE_SASL 0)
-   set (MONGOC_ENABLE_SASL_CYRUS 0)
-   set (MONGOC_ENABLE_SASL_SSPI 0)
 endif()