Issue #5341: Fix a variety of spelling errors.
diff --git a/PC/_winreg.c b/PC/_winreg.c
index 0cb516a..9f234a1 100644
--- a/PC/_winreg.c
+++ b/PC/_winreg.c
@@ -25,7 +25,7 @@
 
 /* The win32api module reports the function name that failed,
    but this concept is not in the Python core.
-   Hopefully it will one day, and in the meantime I dont
+   Hopefully it will one day, and in the meantime I don't
    want to lose this info...
 */
 #define PyErr_SetFromWindowsErrWithFunction(rc, fnname) \
@@ -690,9 +690,9 @@
 ** Note that fixupMultiSZ and countString have both had changes
 ** made to support "incorrect strings".  The registry specification
 ** calls for strings to be terminated with 2 null bytes.  It seems
-** some commercial packages install strings which dont conform,
+** some commercial packages install strings which don't conform,
 ** causing this code to fail - however, "regedit" etc still work
-** with these strings (ie only we dont!).
+** with these strings (ie only we don't!).
 */
 static void
 fixupMultiSZ(char **str, char *data, int len)