[gnumeric] StyleDeps: debug improvement.

[Morten Welinder <mortenw src gnome org>]

commit 275d8fc7e2c208019c1c9b16f583b38fcd54a2ce
Author: Morten Welinder <terra gnome org>
Date:   Sat Jul 11 16:04:35 2020 -0400

    StyleDeps: debug improvement.

 src/mstyle.c | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)
---
diff --git a/src/mstyle.c b/src/mstyle.c
index 4f75895c5..0c7eda2f0 100644
--- a/src/mstyle.c
+++ b/src/mstyle.c
@@ -31,6 +31,8 @@
 #include <goffice/goffice.h>
 #include <string.h>
 
+static gboolean debug_style_deps;
+
 #define DEBUG_STYLES
 #ifndef USE_MSTYLE_POOL
 #define USE_MSTYLE_POOL 1
@@ -2314,15 +2316,6 @@ gnm_style_get_cond_style (GnmStyle const *style, int ix)
 }
 
 
-static gboolean
-debug_style_deps (void)
-{
-       static int debug = -1;
-       if (debug < 0)
-               debug = gnm_debug_flag ("style-deps");
-       return debug;
-}
-
 /*
  * Just a simple version for now.  We can also ignore most function
  * calls[1] and self-references[2].
@@ -2366,7 +2359,7 @@ gnm_style_link_dependents (GnmStyle *style, GnmRange const *r)
        if (sc) {
                GPtrArray const *conds = gnm_style_conditions_details (sc);
                guint ui;
-               if (debug_style_deps ())
+               if (debug_style_deps)
                        g_printerr ("Linking %s for %p\n",
                                    range_as_string (r), style);
                for (ui = 0; conds && ui < conds->len; ui++) {
@@ -2415,7 +2408,7 @@ gnm_style_unlink_dependents (GnmStyle *style, GnmRange const *r)
 
                if (dep->sheet->being_destructed ||
                    range_contains (r, pos->col, pos->row)) {
-                       if (debug_style_deps ())
+                       if (debug_style_deps)
                                g_printerr ("Unlinking %s for %p\n",
                                            cellpos_as_string (pos), style);
                        dependent_set_expr (dep, NULL);
@@ -2783,6 +2776,8 @@ gnm_style_dump (GnmStyle const *style)
 void
 gnm_style_init (void)
 {
+       debug_style_deps = gnm_debug_flag ("style-deps");
+
 #if USE_MSTYLE_POOL
        gnm_style_pool =
                go_mem_chunk_new ("style pool",