fix unprototyped functions
https://build.opensuse.org/projects/openSUSE:Factory/packages/asclock/files/asclock-gcc15.patch
--- a/asclock.h	2025-05-06 06:26:49.442371383 +0000
+++ b/asclock.h	2025-05-06 06:32:27.594886122 +0000
@@ -151,9 +151,9 @@ void parseArgs(int argc, char **argv);
 int read_init(FILE *f);
 int read_type(int *type);
 int read_token(char *str, int max);
-int read_assign();
+int read_assign(void);
 int read_int(int *ret);
-int read_semicolon();
+int read_semicolon(void);
 
 #endif /* ASCLOCK_H */
 
--- a/config.c	2025-05-06 06:26:49.442272713 +0000
+++ b/config.c	2025-05-06 06:33:07.998999146 +0000
@@ -147,13 +147,13 @@ int loadTheme(char *themesdir)
 	exit(-1);
       } 
 
-      if(!read_assign(f))
+      if(!read_assign())
 	printf("read_assign failed\n");
       
       if(!read_int(s->addr))
 	printf("read_int failed\n");
       
-      if(!read_semicolon(f))
+      if(!read_semicolon())
 	printf("read_semicolon failed\n");
     }
 
--- a/parser.c	2025-05-06 06:26:49.442342036 +0000
+++ b/parser.c	2025-05-06 06:32:42.238851768 +0000
@@ -72,7 +72,7 @@ int read_token(char *str, int max)
   return TRUE;
 }
 
-int read_assign() 
+int read_assign(void) 
 {
 
   while(next!='=')
@@ -106,7 +106,7 @@ int read_int(int *ret)
   return TRUE;
 }
 
-int read_semicolon() 
+int read_semicolon(void) 
 {
 
   while(next!=';')