secur32: Update ntlm_auth version detection to detect new samba4 version numbers.

Samba4 changed the versioning from 3.9.X to 4.0.0tpX-preY.
diff --git a/dlls/secur32/dispatcher.c b/dlls/secur32/dispatcher.c
index 66f9c6f..367aebc 100644
--- a/dlls/secur32/dispatcher.c
+++ b/dlls/secur32/dispatcher.c
@@ -290,11 +290,11 @@
                 temp[len] = 0;
 
             TRACE("Exact version is %s\n", debugstr_a(temp));
-            if(strncmp(temp+8, "3.9", 3) == 0)
+            if(strncmp(temp+8, "4", 1) == 0)
             {
                 helper->version = 4;
             }
-            else if(strncmp(temp+8, "3.0", 3) == 0)
+            else if(strncmp(temp+8, "3", 1) == 0)
             {
                 helper->version = 3;
             }