Silence warnings about base headers, drowning real warnings.

Index: configure.ac
--- configure.ac.orig
+++ configure.ac
@@ -167,7 +167,6 @@ AX_APPEND_COMPILE_FLAGS([\
     -Wnull-dereference \
     -Wold-style-definition \
     -Wpointer-arith \
-    -Wredundant-decls \
     -Wshadow \
     -Wsign-conversion \
     -Wshift-overflow=2 \
@@ -445,7 +444,7 @@ AC_ARG_WITH([rundir],[AS_HELP_STRING([--with-rundir=LO
   GDNSD_DEFPATH_RUN="${localstatedir}/run/${PACKAGE_NAME}"
 ])
 GDNSD_DEFPATH_CONFIG="${sysconfdir}/${PACKAGE_NAME}"
-GDNSD_DEFPATH_STATE="${localstatedir}/lib/${PACKAGE_NAME}"
+GDNSD_DEFPATH_STATE="${localstatedir}/${PACKAGE_NAME}"
 GDNSD_DEFPATH_LIB="${libdir}/${PACKAGE_NAME}"
 GDNSD_DEFPATH_LIBEXEC="${libexecdir}/${PACKAGE_NAME}"
 AC_SUBST([GDNSD_DEFPATH_RUN])