Avoid conflict with app-accessibility/julius.

diff --color -Naur a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt	2020-06-01 14:53:28.000000000 +0100
+++ b/CMakeLists.txt	2021-02-14 11:51:30.364704957 +0000
@@ -27,7 +27,7 @@
     endif()
 endif()
 
-set(SHORT_NAME julius)
+set(SHORT_NAME julius-game)
 project(${SHORT_NAME} C)
 
 if (VITA_BUILD)
diff --color -Naur a/res/julius.desktop b/res/julius.desktop
--- a/res/julius.desktop	2020-06-01 14:53:28.000000000 +0100
+++ b/res/julius.desktop	2021-02-14 11:51:45.518122772 +0000
@@ -2,7 +2,7 @@
 [Desktop Entry]
 Type=Application
 Version=1.0
-Exec=julius
+Exec=julius-game
 Icon=com.github.bvschaik.julius
 Name=Julius
 GenericName=Roman city management game