freebsd fix, use detected cxx compiler when building esl

b40dd8a3 · Michael Jerris · 7af06186 · b40dd8a3
--- a/libs/esl/eslmake.rules.in
+++ b/libs/esl/eslmake.rules.in
 TINFO_LIBS=@TINFO_LIBS@
+CXX=@CXX@