unit.c (get_internal_unit): Make default sign mode unspecified.

	* io/unit.c (get_internal_unit): Make default sign mode unspecified.
	(init_units): Make default sign mode unspecified.

From-SVN: r227178

libgfortran/ChangeLog

 2015-08-25  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 
+	* io/unit.c (get_internal_unit): Make default sign mode unspecified.
+	(init_units): Make default sign mode unspecified.
+
+2015-08-25  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
 	* libgfortran.h (check_buffered): Remove unused prototype.
 
 2015-08-24  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

libgfortran/io/unit.c

@@ -507,7 +507,7 @@ get_internal_unit (st_parameter_dt *dtp)
   iunit->flags.form = FORM_FORMATTED;
   iunit->flags.pad = PAD_YES;
   iunit->flags.status = STATUS_UNSPECIFIED;
-  iunit->flags.sign = SIGN_SUPPRESS;
+  iunit->flags.sign = SIGN_UNSPECIFIED;
   iunit->flags.decimal = DECIMAL_POINT;
   iunit->flags.delim = DELIM_UNSPECIFIED;
   iunit->flags.encoding = ENCODING_DEFAULT;
@@ -606,7 +606,7 @@ init_units (void)
       u->flags.blank = BLANK_NULL;
       u->flags.pad = PAD_YES;
       u->flags.position = POSITION_ASIS;
-      u->flags.sign = SIGN_SUPPRESS;
+      u->flags.sign = SIGN_UNSPECIFIED;
       u->flags.decimal = DECIMAL_POINT;
       u->flags.delim = DELIM_UNSPECIFIED;
       u->flags.encoding = ENCODING_DEFAULT;
@@ -635,7 +635,7 @@ init_units (void)
       u->flags.status = STATUS_OLD;
       u->flags.blank = BLANK_NULL;
       u->flags.position = POSITION_ASIS;
-      u->flags.sign = SIGN_SUPPRESS;
+      u->flags.sign = SIGN_UNSPECIFIED;
       u->flags.decimal = DECIMAL_POINT;
       u->flags.delim = DELIM_UNSPECIFIED;
       u->flags.encoding = ENCODING_DEFAULT;
@@ -664,7 +664,7 @@ init_units (void)
       u->flags.status = STATUS_OLD;
       u->flags.blank = BLANK_NULL;
       u->flags.position = POSITION_ASIS;
-      u->flags.sign = SIGN_SUPPRESS;
+      u->flags.sign = SIGN_UNSPECIFIED;
       u->flags.decimal = DECIMAL_POINT;
       u->flags.encoding = ENCODING_DEFAULT;
       u->flags.async = ASYNC_NO;