Fixed typo

dev/common_install.sh

@@ -8,7 +8,7 @@ PROGRAM_BINARY=$PROGRAM".sh"
 PROGRAM_BATCH=$PROGRAM"-batch.sh"
 SSH_FILTER="ssh_filter.sh"
 
-SCRIPT_BUILD=2017021001
+SCRIPT_BUILD=2017021002
 
 ## osync / obackup / pmocr / zsnap install script
 ## Tested on RHEL / CentOS 6 & 7, Fedora 23, Debian 7 & 8, Mint 17 and FreeBSD 8, 10 and 11
@@ -258,7 +258,7 @@ function RemoveFile {
 function RemoveAll {
 	RemoveFile "$BIN_DIR/$PROGRAM_BINARY"
 	RemoveFile "$BIN_DIR/$PROGRAM_BATCH"
-	if [ ! -f "$BIN_DIR/osync.sh" ] && [ -f "$BIN_DIR/obackup.sh" ]; then
+	if [ ! -f "$BIN_DIR/osync.sh" ] && [ ! -f "$BIN_DIR/obackup.sh" ]; then		# Check if any other program requiring ssh filter is present before removal
 		RemoveFile "$BIN_DIR/$SSH_FILTER"
 	else
 		QuickLogger "Skipping removal of [$BIN_DIR/$SSH_FILTER] because other programs present that need it."