Bump rockrel high enough luarocks considers v7.0.0 newer than v7

rockspecs/lua-iconv-7.0.0-4.rockspec

@@ -0,0 +1,50 @@
+-- Packs lua-iconv into a LuaRock
+-- rockspec based uppon the file provided by DarkGod <darkgod at net-core.org>
+
+package = "lua-iconv"
+version = "7.0.0-4"
+
+source = {
+  url = "https://github.com/lunarmodules/lua-iconv/archive/v7.0.0/lua-iconv-7.0.0.tar.gz",
+}
+
+description = {
+   summary = "Lua binding to the iconv",
+   detailed = [[
+     Lua binding to the POSIX 'iconv' library, which converts a sequence of
+     characters from one codeset into a sequence of corresponding characters
+     in another codeset.
+   ]],
+   license = "MIT/X11",
+   homepage = "https://github.com/lunarmodules/lua-iconv/"
+}
+
+dependencies = {
+   "lua >= 5.1",
+}
+
+external_dependencies = {
+   ICONV = {
+      header = "iconv.h"
+   }
+}
+
+build = {
+   type = "builtin",
+   modules = {
+      iconv = {
+          sources = {"luaiconv.c"},
+          incdirs = {"$(ICONV_INCDIR)"},
+          libdirs = {"$(ICONV_LIBDIR)"}
+      }
+   },
+   platforms = {
+      cygwin = {
+         modules = {
+            iconv = {
+               libraries = {"iconv"}
+            }
+         }
+      }
+   }
+}