[gjs] coverage: Use correct constness for prefixes

[Philip Chimento <pchimento src gnome org>]

commit be554f068ac69cf229eec9b42af3efa08e07ad12
Author: Philip Chimento <philip endlessm com>
Date:   Fri Dec 9 18:26:23 2016 -0800

    coverage: Use correct constness for prefixes
    
    Both levels of pointers should be const, or else you have to add a cast
    in C++. (You have to add a cast in C in any case.)
    
    https://bugzilla.gnome.org/show_bug.cgi?id=775776

 gjs/console.cpp  |    3 +--
 gjs/coverage.cpp |    6 +++---
 gjs/coverage.h   |    6 +++---
 3 files changed, 7 insertions(+), 8 deletions(-)
---
diff --git a/gjs/console.cpp b/gjs/console.cpp
index 34c41e0..a70e2b7 100644
--- a/gjs/console.cpp
+++ b/gjs/console.cpp
@@ -265,8 +265,7 @@ main(int argc, char **argv)
             g_error("--coverage-output is required when taking coverage statistics");
 
         GFile *output = g_file_new_for_commandline_arg(coverage_output_path);
-        coverage = gjs_coverage_new((const char **) coverage_prefixes, js_context,
-                                    output);
+        coverage = gjs_coverage_new(coverage_prefixes, js_context, output);
         g_object_unref(output);
     }
 
diff --git a/gjs/coverage.cpp b/gjs/coverage.cpp
index 8580a0c..406664a 100644
--- a/gjs/coverage.cpp
+++ b/gjs/coverage.cpp
@@ -1846,9 +1846,9 @@ gjs_coverage_class_init (GjsCoverageClass *klass)
  * Returns: A #GjsCoverage object
  */
 GjsCoverage *
-gjs_coverage_new (const char **prefixes,
-                  GjsContext  *context,
-                  GFile       *output_dir)
+gjs_coverage_new (const char * const *prefixes,
+                  GjsContext         *context,
+                  GFile              *output_dir)
 {
     GjsCoverage *coverage =
         GJS_COVERAGE(g_object_new(GJS_TYPE_COVERAGE,
diff --git a/gjs/coverage.h b/gjs/coverage.h
index 3646c5c..4d91fa0 100644
--- a/gjs/coverage.h
+++ b/gjs/coverage.h
@@ -74,9 +74,9 @@ GType gjs_coverage_get_type(void);
  */
 void gjs_coverage_write_statistics(GjsCoverage *self);
 
-GjsCoverage * gjs_coverage_new(const char   **coverage_prefixes,
-                               GjsContext    *coverage_context,
-                               GFile         *output_dir);
+GjsCoverage * gjs_coverage_new(const char * const *coverage_prefixes,
+                               GjsContext         *coverage_context,
+                               GFile              *output_dir);
 
 G_END_DECLS