Don't use old naming convention in new methods.

Remove the _ prefix from the parameters to the newly added
ProjectRenderer::getFileExtensionFromFormat.

This naming convention is being phased out.

include/ProjectRenderer.h

@@ -87,7 +87,7 @@ public:
 	static ExportFileFormats getFileFormatFromExtension(
 							const QString & _ext );
 
-	static QString getFileExtensionFromFormat( ExportFileFormats _fmt );
+	static QString getFileExtensionFromFormat( ExportFileFormats fmt );
 
 	static const FileEncodeDevice fileEncodeDevices[];
 

src/core/ProjectRenderer.cpp

@@ -125,9 +125,9 @@ ProjectRenderer::ExportFileFormats ProjectRenderer::getFileFormatFromExtension(
 
 
 QString ProjectRenderer::getFileExtensionFromFormat(
-		ExportFileFormats _fmt )
+		ExportFileFormats fmt )
 {
-	return fileEncodeDevices[_fmt].m_extension;
+	return fileEncodeDevices[fmt].m_extension;
 }