Patch for Bug#13640

extra/Makefile.am

@@ -29,8 +29,8 @@ SUBDIRS=
 DIST_SUBDIRS=           yassl
 
 # This will build mysqld_error.h and sql_state.h
-$(top_builddir)/include/mysqld_error.h: comp_err
-	$(top_builddir)/extra/comp_err \
+$(top_builddir)/include/mysqld_error.h: comp_err$(EXEEXT)
+	$(top_builddir)/extra/comp_err$(EXEEXT) \
 	--charset=$(top_srcdir)/sql/share/charsets \
 	--out-dir=$(top_builddir)/sql/share/ \
 	--header_file=$(top_builddir)/include/mysqld_error.h \