try to fix building under Solaris by using GNU iconv library

jikes/jikes.spec

@@ -33,7 +33,7 @@ Distribution: OpenPKG [EVAL]
 Group:        Language
 License:      IBMPL
 Version:      1.18
-Release:      20030702
+Release:      20030704
 
 #   list of sources
 Source0:      http://oss.software.ibm.com/pub/jikes/%{version}/jikes-%{version}.tar.bz2
@@ -42,7 +42,7 @@ Patch0:       jikes.patch
 #   build information
 Prefix:       %{l_prefix}
 BuildRoot:    %{l_buildroot}
-BuildPreReq:  OpenPKG, openpkg >= 20030103, gcc, make
+BuildPreReq:  OpenPKG, openpkg >= 20030103, gcc, make, libiconv
 PreReq:       OpenPKG, openpkg >= 20030103
 AutoReq:      no
 AutoReqProv:  no