Fix recompile.

conf/mcp.cfg

@@ -150,6 +150,6 @@ CmdRGReobf    = %s -cp "{classpath}" RetroGuard -notch {conffile}
 CmdJadretro   = %s -jar %s {targetdir}
 CmdFernflower = %s -jar %s -din=0 -rbr=0 -dgs=1 -asc=1 -log=WARN {indir} {outdir}
 CmdExceptor   = %s -jar %s {input} {output} {conf} {log}
-CmdRecomp     = %s -Xlint:-options -deprecation -g -source 1.6 -target 1.6 -classpath "{classpath}" -sourcepath {sourcepath} -d {outpath} {pkgs}
+CmdRecomp     = %s -Xlint:-options -encoding UTF-8 -deprecation -g -source 1.8 -target 1.8 -classpath "{classpath}" -sourcepath {sourcepath} -d {outpath} {pkgs}
 CmdStartSrv   = %s -Xincgc -Xms1024M -Xmx1024M -cp "{classpath}" net.minecraft.server.MinecraftServer
 CmdStartClt   = %s -Xincgc -Xms1024M -Xmx1024M -cp "{classpath}" -Djava.library.path={natives} Start