further gcc fixes

core/tools/textfileparser.cpp

@@ -47,7 +47,8 @@ namespace campvis {
     }
 
     bool TextFileParser::TokenGroup::hasKey(const std::string& key) const {
-        return (_tokens.find(key) != _tokens.end());
+        auto it = (_caseSensitiveKeys ? _tokens.find(key) : _tokens.find(StringUtils::lowercase(key)));
+        return (it != _tokens.end());
     }
 
     const std::string& TextFileParser::TokenGroup::getString(const std::string& key) const throw (cgt::Exception) {

modules/io/processors/genericimagereader.h

@@ -34,6 +34,7 @@
 #include "core/properties/stringproperty.h"
 
 #include "modules/modulesapi.h"
+#include "modules/io/processors/abstractimagereader.h"
 
 #ifdef CAMPVIS_HAS_MODULE_DEVIL
 #include "modules/devil/processors/devilimagereader.h"

modules/io/processors/mhdimagereader.cpp

@@ -63,7 +63,7 @@ namespace campvis {
                 throw cgt::FileException("Could not open file.", p_url.getValue());
 
             // start parsing
-            TextFileParser tfp(file, true, "=");
+            TextFileParser tfp(file, false, "=");
             tfp.parse<TextFileParser::ItemSeparatorLines>();
             file.close();