add some missing prototypes

diff --git a/src/surf/random_mgr.c b/src/surf/random_mgr.c
index 74210ed..39fe6e2 100644 (file)
--- a/src/surf/random_mgr.c
+++ b/src/surf/random_mgr.c
@@ -122,6 +122,10 @@ int _drand48_iterate(unsigned short int xsubi[3],
   return 0;
 }
 
   return 0;
 }
 

+double _drand48(void);
+void _srand(unsigned int seed);
+int _rand(void);
+int _rand_r(unsigned int *pseed);

 
 double _drand48(void)
 {
 
 double _drand48(void)
 {