Synchronize invert flag order with manpages

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/iptables.c b/iptables.c
index 6a105f8..b927a11 100644
--- a/iptables.c
+++ b/iptables.c
@@ -322,14 +322,14 @@
 "				Change chain name, (moving any references)\n"
 
 "Options:\n"
-"  --proto	-p [!] proto	protocol: by number or name, eg. `tcp'\n"
-"  --source	-s [!] address[/mask]\n"
+"[!] --proto	-p proto	protocol: by number or name, eg. `tcp'\n"
+"[!] --source	-s address[/mask]\n"
 "				source specification\n"
-"  --destination -d [!] address[/mask]\n"
+"[!] --destination -d address[/mask]\n"
 "				destination specification\n"
-"  --in-interface -i [!] input name[+]\n"
+"[!] --in-interface -i input name[+]\n"
 "				network interface name ([+] for wildcard)\n"
-"  --jump	-j target\n"
+" --jump	-j target\n"
 "				target for rule (may load target extension)\n"
 #ifdef IPT_F_GOTO
 "  --goto      -g chain\n"
@@ -338,7 +338,7 @@
 "  --match	-m match\n"
 "				extended match (may load extension)\n"
 "  --numeric	-n		numeric output of addresses and ports\n"
-"  --out-interface -o [!] output name[+]\n"
+"[!] --out-interface -o output name[+]\n"
 "				network interface name ([+] for wildcard)\n"
 "  --table	-t table	table to manipulate (default: `filter')\n"
 "  --verbose	-v		verbose mode\n"