Remove some extraneous parentheses and swap the comparison order to
prevent accidental assignment.

Silences a warning from LLVM/clang 2.9.
diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
index 533f404..38ae5c7 100644
--- a/Modules/arraymodule.c
+++ b/Modules/arraymodule.c
@@ -2091,7 +2091,7 @@
     if (len == 0) {
         return PyUnicode_FromFormat("array('%c')", (int)typecode);
     }
-    if ((typecode == 'u'))
+    if ('u' == typecode)
         v = array_tounicode(a, NULL);
     else
         v = array_tolist(a, NULL);