Export LV2 scalePoint for integer ports as integer values not float (#195)

* Export LV2 scalePoint for integer ports as integer values not float

Signed-off-by: Christopher Arndt <chris@chrisarndt.de>

* Round int scale point value instead of truncating

Signed-off-by: Christopher Arndt <chris@chrisarndt.de>

* Name roundedValue properly and make it const

Signed-off-by: Christopher Arndt <chris@chrisarndt.de>

distrho/src/DistrhoPluginLV2export.cpp

@@ -561,7 +561,14 @@ void lv2_generate_ttl(const char* const basename)
                                 pluginString += "        [\n";
 
                             pluginString += "            rdfs:label  \"\"\"" + enumValue.label + "\"\"\" ;\n";
-                            pluginString += "            rdf:value " + String(enumValue.value) + " ;\n";
+
+                            if (plugin.getParameterHints(i) & kParameterIsInteger) {
+                                const int roundedValue = (int)(enumValue.value + 0.5f);
+                                pluginString += "            rdf:value " + String(roundedValue) + " ;\n";
+                            }
+                            else {
+                                pluginString += "            rdf:value " + String(enumValue.value) + " ;\n";
+                            }
 
                             if (j+1 == enumValues.count)
                                 pluginString += "        ] ;\n\n";