msi: Mark fall-throughs in switch statements.

dlls/msi/automation.c

@@ -1510,6 +1510,7 @@ static void variant_from_registry_value(VARIANT *pVarResult, DWORD dwType, LPBYT
             while (idx >= 0 && !szString[idx]) idx--;
             for (; idx >= 0; idx--)
                 if (!szString[idx]) szString[idx] = '\n';
+            /* fall through */
         case REG_SZ:
             V_VT(pVarResult) = VT_BSTR;
             V_BSTR(pVarResult) = SysAllocStringByteLen((LPCSTR)szString, dwSize);

dlls/msi/database.c

@@ -658,6 +658,7 @@ static LPWSTR msi_build_createsql_columns(LPWSTR *columns_data, LPWSTR *types, D
         {
             case 'l':
                 lstrcpyW(extra, type_notnull);
+                /* fall through */
             case 'L':
                 lstrcatW(extra, localizable);
                 type = type_char;
@@ -665,12 +666,14 @@ static LPWSTR msi_build_createsql_columns(LPWSTR *columns_data, LPWSTR *types, D
                 break;
             case 's':
                 lstrcpyW(extra, type_notnull);
+                /* fall through */
             case 'S':
                 type = type_char;
                 sprintfW(size, size_fmt, ptr);
                 break;
             case 'i':
                 lstrcpyW(extra, type_notnull);
+                /* fall through */
             case 'I':
                 if (len <= 2)
                     type = type_int;
@@ -685,6 +688,7 @@ static LPWSTR msi_build_createsql_columns(LPWSTR *columns_data, LPWSTR *types, D
                 break;
             case 'v':
                 lstrcpyW(extra, type_notnull);
+                /* fall through */
             case 'V':
                 type = type_object;
                 break;