official openal as default backend (again)

git-svn-id: svn://svn.code.sf.net/p/actiongame/code/trunk/ac@2525 e016b1c5-ed68-44aa-a2f7-31cac88cffde

source/vcpp/buildEnv/ac.nsi

@@ -110,6 +110,13 @@ Section "Visual C++ redistributable runtime" VCPP
   
 SectionEnd
 
+Section "OpenAL 1.1 redistributable" OAL
+
+  SectionIn RO
+  ExecWait '"$INSTDIR\bin\oalinst.exe -s"'
+
+SectionEnd
+
 Section "Multiuser Support (recommended)" MULTIUSER
 
   ; configures the .bat file to store configs in the appdata directory
@@ -162,6 +169,7 @@ SectionEnd
 
   !insertmacro MUI_DESCRIPTION_TEXT ${AC} "Installs the required AssaultCube core files"
   !insertmacro MUI_DESCRIPTION_TEXT ${VCPP} "Installs the runtime to make AssaultCube run on your computer"
+  !insertmacro MUI_DESCRIPTION_TEXT ${OAL} "Installs a sound library for 3D audio"
   !insertmacro MUI_DESCRIPTION_TEXT ${SHORTCUTS} "Creates shortcuts in your Startmenu"
   !insertmacro MUI_DESCRIPTION_TEXT ${MULTIUSER} "Configures AssaultCube to store its configuration in user-profiles"