build: fix setting CFLAGS when building "libnm-vpn-plugin-utils-test.la"

Internally we set CPPFLAGS, because setting CFLAGS disables inheriting AM_CFLAGS --
which we use for example for "-Wno-pragmas" from the configure script.
This commit is contained in:
Thomas Haller 2021-03-15 10:03:32 +01:00
parent 0d856432b7
commit 10b4d10c9b
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@ -1990,7 +1990,7 @@ src_contrib_tests_libnm_vpn_plugin_utils_test_la_SOURCES = \
src/contrib/nm-vpn-plugin-utils.h \
$(NULL)
src_contrib_tests_libnm_vpn_plugin_utils_test_la_CFLAGS = \
src_contrib_tests_libnm_vpn_plugin_utils_test_la_CPPFLAGS = \
$(dflt_cppflags) \
-I$(srcdir)/src \
-I$(builddir)/src \