Correct icons.tsv

The OpenWrt icon is added to the TSV with blanks instead of tabs.
It's a tsv: Tab Separated Values

Signed-off-by: Fini Jastrow <ulf.fini.jastrow@desy.de>

Author: Finii

icons.tsv

@@ -129,4 +129,4 @@ offset	name					id
 127		Typst 					typst
 128		Nobara Linux				nobara
 129		River					river
-130     OpenWrt                 openwrt
+130		OpenWrt					openwrt