Fix MSVC10 compiler warnings.

Reviewed-by: dt

src/plugins/cmakeprojectmanager/cmakebuildconfiguration.cpp

@@ -206,7 +206,7 @@ CMakeBuildConfiguration *CMakeBuildConfigurationFactory::create(ProjectExplorer:
                           QString(),
                           &ok);
     if (!ok || buildConfigurationName.isEmpty())
-        return false;
+        return 0;
     CMakeBuildConfiguration *bc = new CMakeBuildConfiguration(cmtarget);
     bc->setDisplayName(buildConfigurationName);
 
@@ -224,7 +224,7 @@ CMakeBuildConfiguration *CMakeBuildConfigurationFactory::create(ProjectExplorer:
                                 bc->environment());
     if (copw.exec() != QDialog::Accepted) {
         delete bc;
-        return false;
+        return 0;
     }
     cmtarget->addBuildConfiguration(bc); // this also makes the name unique
 

src/plugins/cmakeprojectmanager/cmakeprojectmanager.cpp

@@ -141,7 +141,7 @@ QString CMakeManager::qtVersionForQMake(const QString &qmakePath)
     QProcess qmake;
     qmake.start(qmakePath, QStringList(QLatin1String("--version")));
     if (!qmake.waitForFinished())
-        return false;
+        return QString();
     QString output = qmake.readAllStandardOutput();
     QRegExp regexp(QLatin1String("(QMake version|Qmake version:)[\\s]*([\\d.]*)"));
     regexp.indexIn(output);