Fix for very old config files

upgrade-v1.0x-v1.3x.sh

@@ -7,7 +7,7 @@ CONTACT="http://www.netpower.fr/osync - ozy@netpower.fr"
 OLD_PROGRAM_VERSION="v1.0x-v1.2x"
 NEW_PROGRAM_VERSION="v1.3x"
 CONFIG_FILE_REVISION=1.3.0
-PROGRAM_BUILD=2019052103
+PROGRAM_BUILD=2019052104
 
 ## type -p does not work on platforms other than linux (bash). If if does not work, always assume output is not a zero exitcode
 if ! type "$BASH" > /dev/null; then
@@ -555,9 +555,13 @@ function UpdateConfigHeader {
 	local config_file="${1}"
 
 	if ! grep "^CONFIG_FILE_REVISION=" > /dev/null "$config_file"; then
+		if grep "\[GENERAL\]" > /dev/null "$config_file"; then
+			sed -i'.tmp' '/^\[GENERAL\]$/a\'$'\n'CONFIG_FILE_REVISION=$CONFIG_FILE_REVISION$'\n''' "$config_file"
+		else
+			sed -i'.tmp' '/.*onfig file rev.*/a\'$'\n'CONFIG_FILE_REVISION=$CONFIG_FILE_REVISION$'\n''' "$config_file"
+		fi
 		# "onfig file rev" to deal with earlier variants of the file where c was lower or uppercase
 		sed -i'.tmp' 's/.*onfig file rev.*//' "$config_file"
-		sed -i'.tmp' '/^\[GENERAL\]$/a\'$'\n'CONFIG_FILE_REVISION=$CONFIG_FILE_REVISION$'\n''' "$config_file"
 		rm -f "$config_file.tmp"
 	fi
 }