Added error check for steamcmd.

functions/fn_install_serverfiles

@@ -10,6 +10,10 @@ counter="0"
 while [ "${counter}" == "0" ]||[ "$(grep -wc 0x402 .fn_install_serverfiles.tmp)" -ge "1" ]||[ "$(grep -wc 0x406 .fn_install_serverfiles.tmp)" -ge "1" ]||[ "$(grep -wc 0x6 .fn_install_serverfiles.tmp)" -ge "1" ]||[ "$(grep -wc 0x106 .fn_install_serverfiles.tmp)" -ge "1" ]; do
 	counter=$((counter+1))
 	cd "${rootdir}/steamcmd"
+	./steamcmd.sh +quit > /dev/null 2>&1
+	if [[ $? != 0 ]]; then
+		fn_printfailurenl "Cannot start SteamCMD. Are dependencies installed?"
+	fi	
 	if [ "${counter}" -le "10" ]; then
 		# Attempt 1-4: Standard attempt
 		# Attempt 5-6: Validate attempt