jbofihe: fix build with gcc14

- add patch fixing gcc14 errors:
`implicit-int`:
```
rpc_tab.c:1:8: error: type defaults to 'int' in declaration of
'elide_trace_reduce' [-Wimplicit-int]
    1 | extern elide_trace_reduce(int, int);
      |        ^~~~~~~~~~~~~~~~~~
rpc_tab.c:2:8: error: type defaults to 'int' in declaration of
'elide_trace_shift' [-Wimplicit-int]
    2 | extern elide_trace_shift(int,int);
      |        ^~~~~~~~~~~~~~~~~
rpc_tab.c:3:8: error: type defaults to 'int' in declaration of
'report_trace_shift' [-Wimplicit-int]
    3 | extern report_trace_shift(int);
      |        ^~~~~~~~~~~~~~~~~~
rpc_tab.c:4:8: error: type defaults to 'int' in declaration of
'report_trace_reduce' [-Wimplicit-int]
    4 | extern report_trace_reduce(int, int);
      |        ^~~~~~~~~~~~~~~~~~~
rpc_tab.c:5:8: error: type defaults to 'int' in declaration of
'report_trace_error' [-Wimplicit-int]
    5 | extern report_trace_error(short *yyss, short *yyssp);
      |        ^~~~~~~~~~~~~~~~~~
```

`implicit-function-declaration`:
```
parse.tab.c: In function 'yyparse':
parse.tab.c:1148:16: error: implicit declaration of function 'yylex'
[-Wimplicit-function-declaration]
 1148 |       yychar = yylex ();
      |                ^~~~~

parse.tab.c:1595:7: error: implicit declaration of function 'yyerror';
did you mean 'yyerrok'? [-Wimplicit-function-declaration]
 1595 |       yyerror (YY_("syntax error"));
      |       ^~~~~~~
      |       yyerrok

n2d.c: In function 'main':
n2d.c:1529:12: error: implicit declaration of function 'yyparse'
[-Wimplicit-function-declaration]
 1529 |   result = yyparse();
      |            ^~~~~~~
```

pkgs/by-name/jb/jbofihe/fix-gcc14-errors.patch

@@ -0,0 +1,37 @@
+diff --git a/add_trace_to_tabc.pl b/add_trace_to_tabc.pl
+index 04be787..3186075 100644
+--- a/add_trace_to_tabc.pl
++++ b/add_trace_to_tabc.pl
+@@ -15,11 +15,11 @@
+ # COPYRIGHT
+ 
+ print <<EOF;
+-extern elide_trace_reduce(int, int);
+-extern elide_trace_shift(int,int);
+-extern report_trace_shift(int);
+-extern report_trace_reduce(int, int);
+-extern report_trace_error(short *yyss, short *yyssp);
++extern void elide_trace_reduce(int, int);
++extern void elide_trace_shift(int,int);
++extern void report_trace_shift(int);
++extern void report_trace_reduce(int, int);
++extern void report_trace_error(short *yyss, short *yyssp);
+ EOF
+ 
+ while (<>) {
+diff --git a/dfasyn/n2d.h b/dfasyn/n2d.h
+index b2159ba..6c56abb 100644
+--- a/dfasyn/n2d.h
++++ b/dfasyn/n2d.h
+@@ -181,6 +181,10 @@ Expr * new_xor_expr(Expr *c1, Expr *c2);
+ Expr * new_cond_expr(Expr *c1, Expr *c2, Expr *c3);
+ Expr * new_sym_expr(char *sym_name);
+ 
++int yyparse(void);
++void yyerror(char *);
++int yylex(void);
++
+ void define_symbol(Evaluator *x, char *name, Expr *e);
+ void define_result(Evaluator *x, char *string, Expr *e, int early);
+ void define_symresult(Evaluator *x, char *string, Expr *e, int early);
+

pkgs/by-name/jb/jbofihe/package.nix

@@ -18,6 +18,12 @@ stdenv.mkDerivation rec {
     sha256 = "1xx7x1256sjncyzx656jl6jl546vn8zz0siymqalz6v9yf341p98";
   };
 
+  patches = [
+    # fix build with gcc14:
+    # https://github.com/lojban/jbofihe/pull/19
+    ./fix-gcc14-errors.patch
+  ];
+
   nativeBuildInputs = [
     bison
     flex