Fix obscure bug in code loading support that could cause parsing of

functions in multi-line files to fail, depending on the state of the
stack.  The fix is sanctioned by the vendor and will appear in bc-1.07.

PR:		bin/34601
Reported by:	mi
Obtained from:	Phil Nelson <phil@cs.wwu.edu>

contrib/bc/bc/load.c

@@ -156,7 +156,7 @@ load_code (code)
   long  label_no;
   long  vaf_name;	/* variable, array or function number. */
   long  func;
-  program_counter save_adr;
+  static program_counter save_adr;
 
   /* Initialize. */
   str = code;