No need to abort if c_rehash fails here (e.g. because Perl is not where

it is expected).

apps/Makefile.ssl

@@ -135,7 +135,7 @@ $(DLIBCRYPTO):
 $(PROGRAM): progs.h $(E_OBJ) $(PROGRAM).o $(DLIBCRYPTO) $(DLIBSSL)
 	$(RM) $(PROGRAM)
 	$(CC) -o $(PROGRAM) $(CFLAGS) $(PROGRAM).o $(E_OBJ) $(PEX_LIBS) $(LIBSSL) $(LIBCRYPTO) $(EX_LIBS)
-	@(cd ..; OPENSSL="`pwd`/apps/openssl"; export OPENSSL; $(PERL) tools/c_rehash certs)
+	-(cd ..; OPENSSL="`pwd`/apps/openssl"; export OPENSSL; $(PERL) tools/c_rehash certs)
 
 progs.h: progs.pl
 	$(PERL) progs.pl $(E_EXE) >progs.h