list_read.c: Insert /* Fall through.

2017-03-27  Dominique d'Humieres  <dominiq@lps.ens.fr>

	* io/list_read.c: Insert /* Fall through. */ in the macro
	CASE_SEPARATORS in order to silence warnings.

From-SVN: r246507

libgfortran/ChangeLog

+2017-03-27  Dominique d'Humieres  <dominiq@lps.ens.fr>
+
+	* io/list_read.c: Insert /* Fall through. */ in the macro
+	CASE_SEPARATORS in order to silence warnings.
+
 2017-03-25  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
 	PR libgfortran/78881

libgfortran/io/list_read.c

@@ -51,7 +51,8 @@ typedef unsigned char uchar;
 #define CASE_DIGITS   case '0': case '1': case '2': case '3': case '4': \
                       case '5': case '6': case '7': case '8': case '9'
 
-#define CASE_SEPARATORS case ' ': case ',': case '/': case '\n': \
+#define CASE_SEPARATORS /* Fall through. */ \
+			case ' ': case ',': case '/': case '\n': \
 			case '\t': case '\r': case ';'
 
 /* This macro assumes that we're operating on a variable.  */