tweaks: rename a function, to match with the boolean that guards it

src/color.c

@@ -109,8 +109,8 @@ void set_colorpairs(void)
 			set_syntax_colorpairs(sntx);
 }
 
-/* Initialize the color information. */
-void color_init(void)
+/* Initialize the color pairs for the current syntax. */
+void prepare_palette(void)
 {
 	const colortype *ink;
 	bool using_defaults = FALSE;

src/proto.h

@@ -243,7 +243,7 @@ bool is_valid_unicode(wchar_t wc);
 /* Most functions in color.c. */
 #ifdef ENABLE_COLOR
 void set_colorpairs(void);
-void color_init(void);
+void prepare_palette(void);
 void find_and_prime_applicable_syntax(void);
 void set_up_multicache(linestruct *line);
 void check_the_multis(linestruct *line);

src/winio.c

@@ -3260,7 +3260,7 @@ void edit_refresh(void)
 #ifdef ENABLE_COLOR
 	/* When needed, initialize the colors for the current syntax. */
 	if (!have_palette)
-		color_init();
+		prepare_palette();
 #endif
 
 	/* If the current line is out of view, get it back on screen. */