Fix for coverity defects

apps/openmw/mwdialogue/keywordsearch.hpp

@@ -161,7 +161,7 @@ public:
         while (matches.size())
         {
             int longestKeywordSize = 0;
-            typename std::vector<Match>::iterator longestKeyword;
+            typename std::vector<Match>::iterator longestKeyword = matches.begin();
             for (typename std::vector<Match>::iterator it = matches.begin(); it != matches.end(); ++it)
             {
                 int size = it->mEnd - it->mBeg;

apps/openmw/mwworld/esmstore.cpp

@@ -82,7 +82,7 @@ void ESMStore::load(ESM::ESMReader &esm, Loading::Listener* listener)
             } else if (n.val == ESM::REC_SKIL) {
                 mSkills.load (esm);
             }
-            else if (n.val==ESM::REC_FILT || ESM::REC_DBGP)
+            else if (n.val==ESM::REC_FILT || n.val == ESM::REC_DBGP)
             {
                 // ignore project file only records
                 esm.skipRecord();

apps/wizard/unshield/unshieldworker.cpp

@@ -739,7 +739,8 @@ bool Wizard::UnshieldWorker::extractFile(Unshield *unshield, const QString &dest
 
     // Ensure the target path exists
     QDir dir;
-    dir.mkpath(path);
+    if (!dir.mkpath(path))
+        return false;
 
     QString fileName(path);
     fileName.append(QString::fromUtf8(unshield_file_name(unshield, index)));