Add a description to the AC_DEFINE statements so that it appears in config.h and silences a fatal warning.

Upstream-Status:Pending
Signed-off-by: Matthieu Crapet <Matthieu.Crapet@ingenico.com>
---
 configure.in | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/configure.in b/configure.in
index abfe4cd..ce0d380 100644
--- a/configure.in
+++ b/configure.in
@@ -168,7 +168,7 @@ if test $has_iconv = 1; then
 		iconv_oldstyle=1, iconv_oldstyle=0)
   if test $iconv_oldstyle = 1; then
     AC_MSG_RESULT(const char **)
-    AC_DEFINE(ID3LIB_ICONV_OLDSTYLE)
+    AC_DEFINE(ID3LIB_ICONV_OLDSTYLE,[1],[Old iconv prototype definition in iconv.h])
     #we'll check out the need of
     #typecast in the call of iconv_open
     AC_MSG_CHECKING(whether to typecast in iconv)
@@ -184,7 +184,7 @@ if test $has_iconv = 1; then
                    iconv_cast=0, iconv_cast=1)
     if test $iconv_cast = 1; then
       AC_MSG_RESULT(yes)
-      AC_DEFINE(ID3LIB_ICONV_CAST_OK)
+      AC_DEFINE(ID3LIB_ICONV_CAST_OK,[1],[Accepting const char ** in iconv prototype])
     else
       AC_MSG_RESULT(no)
     fi
@@ -206,7 +206,7 @@ if test $has_iconv = 1; then
                    iconv_cast=0, iconv_cast=1)
     if test $iconv_cast = 1; then
       AC_MSG_RESULT(yes)
-      AC_DEFINE(ID3LIB_ICONV_CAST_OK)
+      AC_DEFINE(ID3LIB_ICONV_CAST_OK,[1],[Accepting const char ** in iconv prototype])
     else
       AC_MSG_RESULT(no)
     fi
-- 
2.0.0