Merged revision(s) 21567 from trunk/OpenMPT:

[Doc] libopenmpt: Fix building allegro4.2 instructions for DJGPP.
........


git-svn-id: https://source.openmpt.org/svn/openmpt/branches/OpenMPT-1.31@21568 56274372-70c3-4bfc-bfc3-4c3a0b034d27

doc/libopenmpt/gettingstarted.md

@@ -155,15 +155,10 @@ How to compile
             make CONFIG=djgpp
 
         `openmpt123` can use liballegro 4.2 for sound output on DJGPP/DOS.
-        liballegro can either be installed system-wide in the DJGPP environment
-        or downloaded into the `libopenmpt` source tree.
-
-            make CONFIG=djgpp USE_ALLEGRO42=1    # use installed liballegro
-
-        or
+        liballegro needs to be downloaded into the `libopenmpt` source tree.
 
             ./build/download_externals.sh    # download liballegro source
-            make CONFIG=djgpp USE_ALLEGRO42=1 BUNDLED_ALLEGRO42=1
+            make CONFIG=djgpp USE_ALLEGRO42=1
 
      -  American Fuzzy Lop: