Reverting eba28948a5 which was only necessary when cross-compiling the plugins for Android 2.0.

With the coming monolithic build using Android.mk files this won't be
necessary anymore.

src/libstrongswan/plugins/gcrypt/Makefile.am

@@ -5,10 +5,8 @@ AM_CFLAGS = -rdynamic
 
 if MONOLITHIC
 noinst_LTLIBRARIES = libstrongswan-gcrypt.la
-libstrongswan_gcrypt_la_LIBADD =
 else
 plugin_LTLIBRARIES = libstrongswan-gcrypt.la
-libstrongswan_gcrypt_la_LIBADD = $(top_builddir)/src/libstrongswan/libstrongswan.la
 endif
 
 libstrongswan_gcrypt_la_SOURCES = \
@@ -21,4 +19,4 @@ libstrongswan_gcrypt_la_SOURCES = \
 	gcrypt_hasher.h gcrypt_hasher.c
 
 libstrongswan_gcrypt_la_LDFLAGS = -module -avoid-version
-libstrongswan_gcrypt_la_LIBADD += -lgcrypt
+libstrongswan_gcrypt_la_LIBADD  = -lgcrypt