More loplugin:cstylecast: l10ntools

auto-rewrite with <https://gerrit.libreoffice.org/#/c/47798/> "Enable
loplugin:cstylecast for some more cases" plus
solenv/clang-format/reformat-formatted-files

Change-Id: I062bc41d2feb8b50371da345edac0e65e0d187b2

l10ntools/source/helper.cxx

@@ -127,7 +127,7 @@ bool isWellFormedXML( OString const & text )
     content = "<root>";
     content += text;
     content += "</root>";
-    doc = xmlParseMemory(content.getStr(),(int)content.getLength());
+    doc = xmlParseMemory(content.getStr(),static_cast<int>(content.getLength()));
     if (doc == nullptr) {
         result = false;
     }

l10ntools/source/helpex.cxx

@@ -89,7 +89,7 @@ SAL_IMPLEMENT_MAIN_WITH_ARGS(argc, argv)
                 while( !aInput.eof() )
                 {
                     // coverity[tainted_data] - this is a build time tool
-                    const OString sXhpFile( sTemp.data(), (sal_Int32)sTemp.length() );
+                    const OString sXhpFile( sTemp.data(), static_cast<sal_Int32>(sTemp.length()) );
                     HelpParser aParser( sXhpFile );
                     const OString sOutput(
                         aArgs.m_sOutputFile +

l10ntools/source/merge.cxx

@@ -199,7 +199,7 @@ MergeDataFile::MergeDataFile(
         const OString sFileName( lcl_NormalizeFilename(rFile) );
         const bool bReadAll = sFileName.isEmpty();
         // coverity[tainted_data] - this is a build time tool
-        const OString sPoFileName(sPoFile.data(), (sal_Int32)sPoFile.length());
+        const OString sPoFileName(sPoFile.data(), static_cast<sal_Int32>(sPoFile.length()));
         PoIfstream aPoInput;
         aPoInput.open( sPoFileName );
         if ( !aPoInput.isOpen() )