fixed bug #3200 "cannot compile with pstack"

as downgrade of patch for 
bug #1661 "Compiling --with-pstack fails with binutils 2.13.90"

pstack/bucomm.h

@@ -50,6 +50,12 @@ void *alloca ();
 # endif /* HAVE_ALLOCA_H */
 #endif
 
+#ifndef BFD_TRUE_FALSE
+#define boolean bfd_boolean
+#define true TRUE
+#define false FALSE
+#endif
+
 /* bucomm.c */
 void bfd_nonfatal PARAMS ((CONST char *));
 

pstack/budbg.h

@@ -24,6 +24,12 @@
 
 #include <stdio.h>
 
+#ifndef BFD_TRUE_FALSE
+#define boolean bfd_boolean
+#define true TRUE
+#define false FALSE
+#endif
+
 /* Routine used to read generic debugging information.  */
 
 extern PTR read_debugging_info PARAMS ((bfd *, asymbol **, long));

pstack/pstack.c

@@ -2667,7 +2667,8 @@ pstack_install_segv_action(	const char*	path_format_)
 	if ((abfd = load_bfd(pid))==0)
 		fprintf(stderr, "BFD load failed..\n");
 	else {
-		long	storage_needed = bfd_get_symtab_upper_bound (abfd);
+		long    storage_needed= (bfd_get_file_flags(abfd) & HAS_SYMS) ?
+		                         bfd_get_symtab_upper_bound (abfd) : 0;
 		long	i;
 		(void)i;