[Desktop Entry]
Version=1.0
Name=Avogadro2
Comment=Advanced molecular editor
Exec=avogadro2 %f
Icon=avogadro2
Terminal=false
Type=Application
Categories=Qt;Science;Chemistry;Physics;Education;
StartupNotify=true
MimeType=chemical/x-cml;chemical/x-xyz

[Desktop Entry]
Version=1.0
Name=Avogadro2
Comment=Advanced molecular editor
Exec=avogadro2 %f
Icon=avogadro2
Terminal=false
Type=Application
Categories=Qt;Science;Chemistry;Physics;
StartupNotify=true
MimeType=chemical/x-cml;chemical/x-xyz;

Fix problems in desktop file
Fix problems in desktop file

The desktop file has 2 problems:

$ desktop-file-validate ./avogadro/icons/avogadro2.desktop
./avogadro/icons/avogadro2.desktop: hint: value
"Qt;Science;Chemistry;Physics;Education;" for key "Categories" in group
"Desktop Entry" contains more than one main category; application might
appear more than once in the application menu
./avogadro/icons/avogadro2.desktop: error: value
"chemical/x-cml;chemical/x-xyz" for string list key "MimeType" in group
"Desktop Entry" does not have a semicolon (';') as trailing character

Signed-off-by: Justin Lecher <10b9ea4f4206af051d6240942dd0e16487ac7cb2@gentoo.org>
