Build failure in nsterm.m

[martin rudalics]

Building master configured as

"CFLAGS='-O0 -g3 -no-pie -std=gnu99' ../configure --with-gnutls=no --without-pop 
--without-harfbuzz --with-ns"

currently fails here with

../../src/nsterm.m: In function ‘ns_relocate’:
../../src/nsterm.m:514:54: error: stray ‘@’ in program
   NSString *fixedPath = [NSString pathWithComponents:@[root, original]];
                                                      ^
../../src/nsterm.m:514:60: warning: left-hand operand of comma expression has 
no effect [-Wunused-value]
   NSString *fixedPath = [NSString pathWithComponents:@[root, original]];
                                                            ^
../../src/nsterm.m:514:70: error: expected ‘:’ before ‘]’ token
   NSString *fixedPath = [NSString pathWithComponents:@[root, original]];
                                                                      ^
                                                                      :

Help appreciated, martin