msi: Fix some leaks (coverity).

dlls/msi/msi.c

@@ -2215,7 +2215,10 @@ UINT WINAPI MsiQueryComponentStateW(LPCWSTR szProductCode,
 
         if (!(val = msi_alloc( sz ))) return ERROR_OUTOFMEMORY;
         if ((r = msi_comp_find_prodcode(squished_pc, dwContext, szComponent, val, &sz)))
+        {
+            msi_free(val);
             return r;
+        }
 
         if (lstrlenW(val) > 2 &&
             val[0] >= '0' && val[0] <= '9' && val[1] >= '0' && val[1] <= '9' && val[2] != ':')

dlls/msi/package.c

@@ -638,10 +638,12 @@ static void set_msi_assembly_prop(MSIPACKAGE *package)
         return;
 
     size = GetFileVersionInfoSizeW(fusion, &handle);
-    if (!size) return;
+    if (!size)
+        goto done;
 
     version = msi_alloc(size);
-    if (!version) return;
+    if (!version)
+        goto done;
 
     if (!GetFileVersionInfoW(fusion, handle, size, version))
         goto done;

dlls/msi/source.c

@@ -763,7 +763,10 @@ UINT msi_set_last_used_source(LPCWSTR product, LPCWSTR usersid,
 
     r = OpenSourceKey(product, &source, MSICODE_PRODUCT, context, FALSE);
     if (r != ERROR_SUCCESS)
+    {
+        msi_free(buffer);
         return r;
+    }
 
     sprintfW(buffer, format, typechar, index, value);
 

dlls/msi/where.c

@@ -1253,6 +1253,8 @@ UINT WHERE_CreateView( MSIDATABASE *db, MSIVIEW **view, LPWSTR tables,
         if (r != ERROR_SUCCESS)
         {
             ERR("can't get table dimensions\n");
+            table->view->ops->delete(table->view);
+            msi_free(table);
             goto end;
         }