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configure: clean whitespace with [:space:]

Browse Source 
https://en.wikibooks.org/wiki/Regular_Expressions/POSIX_Basic_Regular_Expressions

Fixes NDKr10e on Cygwin,
CC_IDENT for it is defined as

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Zhang Rui 2015-07-13 16:22:40 +08:00 committed by Michael Niedermayer
parent 488cc05192
commit f5c281daa8
1 changed files with 1 additions and 1 deletions
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2
configure vendored
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@ -477,7 +477,7 @@ sh_quote(){
}
cleanws(){
echo "$@" | sed 's/^ *//;s/ */ /g;s/ *$//;s/\\r//g'
echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'
}
filter(){