Merge #17074: build: Added double quotes

dd85166 Added double quotes (Ava Barron)

Pull request description:

  Added double quotes to prevent globbing and word splitting.

ACKs for top commit:
  laanwj:
    ~~ACK dd85166~~
  practicalswift:
    ACK dd85166 -- diff looks correct
  hebasto:
    ACK dd85166, tested locally on Linux Mint 19.2.

Tree-SHA512: 503ed8c4a5dafd3868465fbb66b13e15862c114573609f681b69259703e76fe85260b782c45a1e0780b7d3fdf34d8fd2f627b59f4013b99eeb1b771a652e7b10

Author: laanwj

autogen.sh

@@ -5,9 +5,9 @@
 
 export LC_ALL=C
 set -e
-srcdir="$(dirname $0)"
+srcdir="$(dirname "$0")"
 cd "$srcdir"
-if [ -z ${LIBTOOLIZE} ] && GLIBTOOLIZE="$(command -v glibtoolize)"; then
+if [ -z "${LIBTOOLIZE}" ] && GLIBTOOLIZE="$(command -v glibtoolize)"; then
   LIBTOOLIZE="${GLIBTOOLIZE}"
   export LIBTOOLIZE
 fi