configure.ac: fix typo

* configure.ac: Replace CPPFALGS with CPPFLAGS.

Fixes: v4.20-85-gf9c8e8a ("unwind: demangle symbol names")

diff --git a/configure.ac b/configure.ac
index 4ee25bbbd274ec6a26a9d89d5e2c4f9e2a5f3690..01fb6eef90f818e462839dd9d77c20f2114962d8 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -910,7 +910,7 @@ AC_ARG_WITH([libiberty],
 use_libiberty=no
 AS_IF([test "x$use_libunwind" = xyes && test "x$with_libiberty" != xno],
       [saved_CPPFLAGS="$CPPFLAGS"
-       CPPFALGS="$CPPFLAGS $libiberty_CPPFLAGS"
+       CPPFLAGS="$CPPFLAGS $libiberty_CPPFLAGS"
        AC_CHECK_HEADERS([demangle.h],
         [saved_LDFLAGS="$LDFLAGS"
          LDFLAGS="$LDFLAGS $libiberty_LDFLAGS"