Add prototypes.

cpukit/libcsupport/include/rtems/libcsupport.h

@@ -39,7 +39,7 @@ extern void malloc_walk(size_t source, size_t printf_enabled);
 extern void libc_init(int reentrant);
 extern int  host_errno(void);
 extern void fix_syscall_errno(void);
-extern size_t malloc_free_space();
+extern size_t malloc_free_space(void);
 
 /*
  *  Prototypes required to install newlib reentrancy user extension

cpukit/libcsupport/include/rtems/libio_.h

@@ -246,9 +246,9 @@ int rtems_filesystem_evaluate_parent(
   rtems_filesystem_location_info_t  *pathloc
 );
 
-void rtems_filesystem_initialize();
+void rtems_filesystem_initialize(void);
 
-int init_fs_mount_table();
+int init_fs_mount_table(void);
 
 #ifdef __cplusplus
 }

cpukit/libcsupport/src/malloc_statistics_helpers.c

@@ -23,7 +23,7 @@
 #include <stdlib.h>
 
 
-void rtems_malloc_statistics_initialize()
+void rtems_malloc_statistics_initialize( void )
 {
   /*
    * Zero all the statistics
@@ -73,4 +73,3 @@ rtems_malloc_statistics_functions_t rtems_malloc_statistics_helpers_table = {
 };
 
 #endif
-

cpukit/libcsupport/src/scandir.c

@@ -155,9 +155,9 @@ cleanup_and_bail:
  * Alphabetic order comparison routine for those who want it.
  */
 int
-alphasort(d1, d2)
-	const void *d1;
-	const void *d2;
+alphasort(
+	const void *d1,
+	const void *d2 )
 {
 	return(strcmp((*(struct dirent **)d1)->d_name,
 	    (*(struct dirent **)d2)->d_name));