fix C++ g++-6 errors

yaml_emitter_write_indicator const char *indicator

diff --git a/src/emitter.c b/src/emitter.c
index 9dc27cb9a4f58173b853890cd22526ac62dfee46..b9392e405ded75a5d5a65b925a573d63ff8e356b 100644 (file)
--- a/src/emitter.c
+++ b/src/emitter.c
@@ -221,7 +221,7 @@ yaml_emitter_write_indent(yaml_emitter_t *emitter);
 
 static int
 yaml_emitter_write_indicator(yaml_emitter_t *emitter,
-        char *indicator, int need_whitespace,
+        const char *indicator, int need_whitespace,
         int is_whitespace, int is_indention);
 
 static int
@@ -1777,7 +1777,7 @@ yaml_emitter_write_indent(yaml_emitter_t *emitter)
 
 static int
 yaml_emitter_write_indicator(yaml_emitter_t *emitter,
-        char *indicator, int need_whitespace,
+        const char *indicator, int need_whitespace,
         int is_whitespace, int is_indention)
 {
     size_t indicator_length;
@@ -2174,7 +2174,7 @@ yaml_emitter_write_block_scalar_hints(yaml_emitter_t *emitter,
         yaml_string_t string)
 {
     char indent_hint[2];
-    char *chomp_hint = NULL;
+    const char *chomp_hint = NULL;
 
     if (IS_SPACE(string) || IS_BREAK(string))
     {