ldns: fix QA Issue after LDFLAGS change

Adding -f*-prefix-map to LDFLAGS caused the following issue:

QA Issue: ldns.pc failed sanity test (tmpdir)

Fix by filtering out -f*-prefix-map from *.pc files.

[YOCTO #14481]

Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
(cherry picked from commit a4791bf2f37de55dd51971d34ac2252d3cf68f30)
Signed-off-by: Armin Kuster <akuster808@gmail.com>

meta-oe/recipes-devtools/ldns/ldns_1.7.1.bb

@@ -16,3 +16,10 @@ PACKAGECONFIG[drill] = "--with-drill,--without-drill"
 
 EXTRA_OECONF = "--with-ssl=${STAGING_EXECPREFIXDIR} \
                 libtool=${TARGET_PREFIX}libtool"
+
+do_install:append() {
+    sed -e 's@[^ ]*-ffile-prefix-map=[^ "]*@@g' \
+        -e 's@[^ ]*-fdebug-prefix-map=[^ "]*@@g' \
+        -e 's@[^ ]*-fmacro-prefix-map=[^ "]*@@g' \
+        -i ${D}${libdir}/pkgconfig/*.pc
+}