fix missing/conflicting types

externals/cxc/dist_normal.c

@@ -22,7 +22,7 @@ static int makeseed(void)
     return (random1_nextseed & 0x7fffffff);
 }
 
-static int rand_random_fl(seed) {
+static int rand_random_fl(unsigned int seed) {
   int q;
   double state;
 

externals/cxc/random1.c

@@ -16,7 +16,7 @@
 #endif
 
 static int makeseed(void);
-static int rand_random1(int);
+static int rand_random1(unsigned int);
 
 static int makeseed(void)
 {
@@ -27,7 +27,7 @@ static int makeseed(void)
 
 /* -------------------------- random1 ------------------------------ */
 /* linear congruential generator.  Generator x[n+1] = a * x[n] mod m */
-static int rand_random1(seed)
+static int rand_random1(unsigned int seed)
 {
   int state;