compobj.dll16: Remove dead assignments in compobj.c (Cppcheck)

[Bruno Jesus]

[dlls\compobj.dll16\compobj.c:682]: (style) Variable 'err' is assigned
a value that is never used.
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diff --git a/dlls/compobj.dll16/compobj.c b/dlls/compobj.dll16/compobj.c
index ed36564..6261c13 100644
--- a/dlls/compobj.dll16/compobj.c
+++ b/dlls/compobj.dll16/compobj.c
@@ -668,18 +668,17 @@ HRESULT WINAPI CLSIDFromProgID16(LPCOLESTR16 progid, LPCLSID riid)
 {
 	char	*buf,buf2[80];
 	LONG	buf2len;
-	HRESULT	err;
 	HKEY	xhkey;
 
 	buf = HeapAlloc(GetProcessHeap(),0,strlen(progid)+8);
 	sprintf(buf,"%s\\CLSID",progid);
-	if ((err=RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&xhkey))) {
+	if (RegOpenKeyA(HKEY_CLASSES_ROOT,buf,&xhkey)) {
 		HeapFree(GetProcessHeap(),0,buf);
                 return CO_E_CLASSSTRING;
 	}
 	HeapFree(GetProcessHeap(),0,buf);
 	buf2len = sizeof(buf2);
-	if ((err=RegQueryValueA(xhkey,NULL,buf2,&buf2len))) {
+	if (RegQueryValueA(xhkey,NULL,buf2,&buf2len)) {
 		RegCloseKey(xhkey);
                 return CO_E_CLASSSTRING;
 	}