File ocaml-re2.patch of Package ocaml-re2

fix arm 32bit build -- gh#janestreet/re2#26
--- a/src/re2_c/dune
+++ b/src/re2_c/dune
@@ -16,11 +16,11 @@
    \n     CXX=g++\
    \nfi\
    \nif ! %{arch_sixtyfour}; then\
-   \nCXX=\"$CXX -m32\"\
+   \nCXX=\"$CXX\"\
    \nfi\
    \n%{make} -s -C libre2 clean\
    \n%{make} -s -C libre2 ARFLAGS=\"$ARFLAGS\" CXX=\"$CXX\" CXXFLAGS=\"$CXXFLAGS\" obj/libre2.a obj/so/libre2.so\
    \ncp libre2/obj/libre2.a libre2_c_stubs.a\
    \ncp libre2/obj/so/libre2.so dllre2_c_stubs.so\
    \n%{make} -s -C libre2 clean\
-   \n")))
\ No newline at end of file
+   \n")))