Qnx: Fix compile with Qt4

Change-Id: Ida16ba9b16cb7c2cd590d8f82e4359b44a9c68d2
Reviewed-by: hjk <hjk121@nokiamail.com>

src/plugins/qnx/qnxutils.cpp

@@ -198,9 +198,9 @@ QList<Utils::EnvironmentItem> QnxUtils::qnxEnvironmentFromNdkFile(const QString
 
         QString modifieddValue;
         if (Utils::HostOsInfo::isWindowsHost())
-            modifieddValue = modifiedValues.join(QLatin1Char(';'));
+            modifieddValue = modifiedValues.join(QLatin1String(";"));
         else if (Utils::HostOsInfo::isAnyUnixHost())
-            modifieddValue = modifiedValues.join(QLatin1Char(':'));
+            modifieddValue = modifiedValues.join(QLatin1String(":"));
 
         items.append(Utils::EnvironmentItem(key, modifieddValue));
     }