test-striconveh fail to build without libiconv

[Tom G. Christensen]

Hello,

In 8c96eb80bd calls to iconv functions were added outside the HAVE_ICONV 
block.

test-striconveh.c will fail to build if iconv is unavailable:
test-striconveh.c: In function 'main':
test-striconveh.c:1113:7: error: 'cd_ascii_to_88591' undeclared (first 
use in this function)
   if (cd_ascii_to_88591 != (iconv_t)(-1))
       ^
test-striconveh.c:1113:7: note: each undeclared identifier is reported 
only once for each function it appears in
test-striconveh.c:1113:29: error: 'iconv_t' undeclared (first use in 
this function)
   if (cd_ascii_to_88591 != (iconv_t)(-1))
                             ^
test-striconveh.c:1114:5: warning: implicit declaration of function 
'iconv_close' [-Wimplicit-function-declaration]
     iconv_close (cd_ascii_to_88591);
     ^
test-striconveh.c:1115:16: error: 'cd_ascii_to_utf8' undeclared (first 
use in this function)
   iconv_close (cd_ascii_to_utf8);
                ^
test-striconveh.c:1116:7: error: 'cd_utf7_to_utf8' undeclared (first use 
in this function)
   if (cd_utf7_to_utf8 != (iconv_t)(-1))
       ^
make[4]: *** [test-striconveh.o] Error 1


-tgc