base-files: ipcalc.sh: fix awk regex syntax

It worked fine before but gawk warns about it.

Signed-off-by: Leon M. George <leon@georgemail.eu>

diff --git a/package/base-files/files/bin/ipcalc.sh b/package/base-files/files/bin/ipcalc.sh
index 99269fff066f99176ad5802d7005eb53e6e29fca..56854b4104105d1ecbebff93e16895e6124823e1 100755 (executable)
--- a/package/base-files/files/bin/ipcalc.sh
+++ b/package/base-files/files/bin/ipcalc.sh
@@ -11,7 +11,7 @@ function bitcount(c) {
 
 function ip2int(ip) {
        ret=0
-       n=split(ip,a,"\.")
+       n=split(ip,a,"\\.")
        for (x=1;x<=n;x++)
                ret=or(lshift(ret,8),a[x])
        return ret