ole32: Fix some leaks on early returns (Coverity).

dlls/ole32/moniker.c

@@ -1248,8 +1248,10 @@ HRESULT WINAPI GetClassFile(LPCOLESTR filePathName,CLSID *pclsid)
     absFile=pathDec[nbElm-1];
 
     /* failed if the path represents a directory and not an absolute file name*/
-    if (!lstrcmpW(absFile, bkslashW))
+    if (!lstrcmpW(absFile, bkslashW)) {
+        CoTaskMemFree(pathDec);
         return MK_E_INVALIDEXTENSION;
+    }
 
     /* get the extension of the file */
     extension = NULL;
@@ -1257,8 +1259,10 @@ HRESULT WINAPI GetClassFile(LPCOLESTR filePathName,CLSID *pclsid)
     for(i = length-1; (i >= 0) && *(extension = &absFile[i]) != '.'; i--)
         /* nothing */;
 
-    if (!extension || !lstrcmpW(extension, dotW))
+    if (!extension || !lstrcmpW(extension, dotW)) {
+        CoTaskMemFree(pathDec);
         return MK_E_INVALIDEXTENSION;
+    }
 
     res=RegQueryValueW(HKEY_CLASSES_ROOT, extension, NULL, &sizeProgId);