Fix last implicit function declaration

astrom/wcs/proj.c

@@ -196,6 +196,7 @@
 
 #include <math.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include "poly.h"
 #include "proj.h"
 #include "tnx.h"

ldactools/common/fitstab.c

@@ -21,6 +21,8 @@
 #include	"fitscat.h"
 #include    "svdfit.h"
 
+extern int copy_tab_pos(catstruct *, char *, int, int, catstruct *, int)
+
 /****** about_tab **************************************************************
 PROTO	int about_tab(catstruct *cat, char *tabname, FILE *stream)
 PURPOSE	Print information concerning a tab structure.

ldactools/tools/bileave.c

@@ -23,7 +23,7 @@ static control_struct control;
 char header[MAXCHAR];
 char *cline;
 
-extern pos_to_radec(posstruct, double *, double *);
+extern void pos_to_radec(posstruct, double *, double *);
 
 
 option my_opts[] = {