PATCH: incarg: avoid unneeded subshell

[Mikael Magnusson <mikachu@xxxxxxxxx>]

---
I only tried the basic functionality, but I don't see any reason we can't do this?
Also, under what circumstances would an error be printed here?

 Functions/Zle/incarg | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Functions/Zle/incarg b/Functions/Zle/incarg
index 1131b148b4..9d56b21f6d 100644
--- a/Functions/Zle/incarg
+++ b/Functions/Zle/incarg
@@ -214,8 +214,7 @@ case "$base" in
 esac
 
 local raw_result padded
-raw_result="$( \
-  printf "%0$ndigits$fmt1" $(( [$fmt2] "$base#$old" + delta )) 2> /dev/null)"
+printf -v raw_result "%0$ndigits$fmt1" $(( [$fmt2] "$base#$old" + delta )) 2> /dev/null
 padded="${raw_result// /0}"
 
 integer oldnum="$base#$old" newnum="$base#$padded" 2> /dev/null
-- 
2.38.1