Patch #1572724: fix typo ('=' instead of '==') in _msi.c.

(backport from rev. 52251)

Misc/NEWS

@@ -49,6 +49,8 @@ Core and builtins
 Extension Modules
 -----------------
 
+- Patch #1572724: fix typo ('=' instead of '==') in _msi.c.
+
 - Bug #1572832: fix a bug in ISO-2022 codecs which may cause segfault
   when encoding non-BMP unicode characters.
 

PC/_msi.c

@@ -495,7 +495,7 @@ summary_getproperty(msiobj* si, PyObject *args)
 
     status = MsiSummaryInfoGetProperty(si->h, field, &type, &ival, 
 	&fval, sval, &ssize);
-    if (status = ERROR_MORE_DATA) {
+    if (status == ERROR_MORE_DATA) {
 	sval = malloc(ssize);
         status = MsiSummaryInfoGetProperty(si->h, field, &type, &ival, 
     	    &fval, sval, &ssize);