Corrected the error message about required OpenGL version for GAL. Fixed...

Corrected the error message about required OpenGL version for GAL. Fixed pcb_calculator .desktop file.

common/gal/opengl/opengl_gal.cpp

@@ -941,11 +941,11 @@ void OPENGL_GAL::initGlew()
     // Check the OpenGL version (minimum 2.1 is required)
     if( GLEW_VERSION_2_1 )
     {
-        wxLogInfo( wxT( "OpenGL Version 2.1 supported." ) );
+        wxLogInfo( wxT( "OpenGL 2.1 supported." ) );
     }
     else
     {
-        DisplayError( parentWindow, wxT( "OpenGL Version 2.1 is not supported!" ) );
+        DisplayError( parentWindow, wxT( "OpenGL 2.1 or higher is required!" ) );
         exit( 1 );
     }
 

resources/linux/mime/applications/pcbcalculator.desktop

@@ -2,7 +2,7 @@
 [Desktop Entry]
 Categories=Development;Electronics
 Comment=Design a printed circuit board
-Exec=pcbcalculator
+Exec=pcb_calculator
 GenericName=EDA Suite
 Icon=pcbcalculator
 MimeType=application/x-pcbcalculator-project;