Factor common branch in load_long().

Suggested by Neal Norwitz.
diff --git a/Modules/_pickle.c b/Modules/_pickle.c
index 435969d..6536e6f 100644
--- a/Modules/_pickle.c
+++ b/Modules/_pickle.c
@@ -2895,12 +2895,9 @@
        the 'L' to be present. */
     if (s[len-2] == 'L') {
         s[len-2] = '\0';
-        /* XXX: Should the base argument explicitly set to 10? */
-        value = PyLong_FromString(s, NULL, 0);
     }
-    else {
-        value = PyLong_FromString(s, NULL, 0);
-    }
+    /* XXX: Should the base argument explicitly set to 10? */
+    value = PyLong_FromString(s, NULL, 0);
     if (value == NULL)
         return -1;