Add header wrapper for glib to supply g_memdup2() for glib before 2.68.
[pspp] / tests /
drwxr-xr-x   ..
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-rw-r--r-- 18796 automake.mk
-rwxr-xr-x 1687 coverage.sh
drwxr-xr-x - data
drwxr-xr-x - language
drwxr-xr-x - libpspp
-rw-r--r-- 19 lsan.supp
drwxr-xr-x - math
drwxr-xr-x - output
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-rw-r--r-- 1905 testsuite.in
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