Removed unintentional trailing spaces in non-external and non-generated C files.
diff --git a/Objects/unicodectype.c b/Objects/unicodectype.c
index ea540d6..d8c95c8 100644
--- a/Objects/unicodectype.c
+++ b/Objects/unicodectype.c
@@ -27,7 +27,7 @@
 #define EXTENDED_CASE_MASK 0x4000
 
 typedef struct {
-    /* 
+    /*
        These are either deltas to the character or offsets in
        _PyUnicode_ExtendedCase.
     */