fix typos

diff --git a/ext/imap/config.m4 b/ext/imap/config.m4
index 59a0ea62e082ffd26fee4d0e5ca4ee9e8a5209dd..e0e701acf4f41a00255a5f2e418c70ce21a39561 100644 (file)
--- a/ext/imap/config.m4
+++ b/ext/imap/config.m4
@@ -146,7 +146,7 @@ if test "$PHP_IMAP" != "no"; then
     if test "$ac_cv_utf8_mime2text" = "new"; then
       AC_DEFINE(HAVE_NEW_MIME2TEXT, 1, [Whether utf8_mime2text() has new signature])
     fi
-    CFLAGS=$old_CPPFLAGS
+    CFLAGS=$old_CFLAGS
 
     old_CFLAGS=$CFLAGS
     CFLAGS="-I$IMAP_INC_DIR"
@@ -161,7 +161,7 @@ if test "$PHP_IMAP" != "no"; then
          ac_cv_u8t_canonical=no
       ])
     )
-    CFLAGS=$old_CPPFLAGS
+    CFLAGS=$old_CFLAGS
 
     if test "$ac_cv_u8t_canonical" = "no" && test "$ac_cv_utf8_mime2text" = "new"; then
         AC_MSG_ERROR([utf8_mime2text() has new signature, but U8T_CANONICAL is missing. This should not happen. Check config.log for additional information.])