Restructure make targets to allow parallel make.
Submitted by: Witold Filipczyk <witekfl@poczta.gazeta.pl>

PR: #513
diff --git a/crypto/Makefile.ssl b/crypto/Makefile.ssl
index a81b367..037e72d 100644
--- a/crypto/Makefile.ssl
+++ b/crypto/Makefile.ssl
@@ -52,7 +52,7 @@
 top:
 	@(cd ..; $(MAKE) DIRS=$(DIR) all)
 
-all: buildinf.h lib subdirs shared
+all: shared
 
 buildinf.h: ../Makefile.ssl
 	( echo "#ifndef MK1MF_BUILD"; \
@@ -98,7 +98,7 @@
 	$(RANLIB) $(LIB) || echo Never mind.
 	@touch lib
 
-shared:
+shared: buildinf.h lib subdirs
 	if [ -n "$(SHARED_LIBS)" ]; then \
 		(cd ..; $(MAKE) $(SHARED_LIB)); \
 	fi