Addressed SVQC Warning: unknown game type 'arena' for acid3dm10_q3

maps/acid3dm10_q3.mapinfo

@@ -0,0 +1,20 @@
+title interstellar waltz by acid
+has weapons
+// uncomment this if you added turrets: has turrets
+// uncomment this if you added vehicles: has vehicles
+gametype dm  // defaults: timelimit=20 pointlimit=30 leadlimit=0
+// gametype dom
+// gametype ctf
+// gametype arena
+gametype ca
+gametype kh
+gametype ca
+gametype tdm
+gametype ft
+// gametype lms // defaults: timelimit=20 lives=9 leadlimit=0
+// gametype ka  // defaults: timelimit=20 pointlimit=30
+// optional: fog density red green blue alpha mindist maxdist
+// optional: settemp_for_type (all|gametypename) cvarname value
+// optional: clientsettemp_for_type (all|gametypename) cvarname value
+// optional: size mins_x mins_y mins_z maxs_x maxs_y maxs_z
+// optional: hidden