Make some arrays const.

src/sp65/attr.c

@@ -240,7 +240,7 @@ void SplitAddAttr (Collection* C, const char* Combined, const char* Name)
 
 
 
-Collection* ParseAttrList (const char* List, const char** NameList, unsigned NameCount)
+Collection* ParseAttrList (const char* List, const char* const* NameList, unsigned NameCount)
 /* Parse a list containing name/value pairs into a sorted collection. Some
 ** attributes may not need a name, so NameList contains these names. If there
 ** were no errors, the function returns a alphabetically sorted collection

src/sp65/attr.h

@@ -111,7 +111,7 @@ void SplitAddAttr (Collection* C, const char* Combined, const char* Name);
 ** Name is NULL, terminate with an error.
 */
 
-Collection* ParseAttrList (const char* List, const char** NameList, unsigned NameCount);
+Collection* ParseAttrList (const char* List, const char* const* NameList, unsigned NameCount);
 /* Parse a list containing name/value pairs into a sorted collection. Some
 ** attributes may not need a name, so NameList contains these names. If there
 ** were no errors, the function returns a alphabetically sorted collection

src/sp65/main.c

@@ -141,7 +141,7 @@ static void SetOutputData (StrBuf* N)
 static void OptConvertTo (const char* Opt attribute ((unused)), const char* Arg)
 /* Convert the bitmap into a target format */
 {
-    static const char* NameList[] = {
+    static const char* const NameList[] = {
         "format"
     };
 
@@ -220,7 +220,7 @@ static void OptPop (const char* Opt attribute ((unused)),
 static void OptRead (const char* Opt attribute ((unused)), const char* Arg)
 /* Read an input file */
 {
-    static const char* NameList[] = {
+    static const char* const NameList[] = {
         "name", "format"
     };
 
@@ -294,7 +294,7 @@ static void OptVersion (const char* Opt attribute ((unused)),
 static void OptWrite (const char* Opt attribute ((unused)), const char* Arg)
 /* Write an output file */
 {
-    static const char* NameList[] = {
+    static const char* const NameList[] = {
         "name", "format"
     };