Added recode-3.6 build template.

srcpkgs/recode/patches/recode-3.6-as-if.patch

@@ -0,0 +1,19 @@
+http://bugs.gentoo.org/283029
+
+--- a/m4/flex.m4
++++ b/m4/flex.m4
+@@ -8,11 +8,11 @@ dnl ad_AC_PROG_FLEX
+ dnl Look for flex or missing, then run AC_PROG_LEX and AC_DECL_YYTEXT
+ AC_DEFUN(ad_AC_PROG_FLEX,
+ [AC_CHECK_PROGS(LEX, flex, missing)
+-if test "$LEX" = missing; then
++AS_IF([test "$LEX" = missing], [dnl
+   LEX="\$(top_srcdir)/$ac_aux_dir/missing flex"
+   LEX_OUTPUT_ROOT=lex.yy
+   AC_SUBST(LEX_OUTPUT_ROOT)dnl
+-else
++], [:
+   AC_PROG_LEX
+   AC_DECL_YYTEXT
+-fi])
++])])