Correct LOCAL_LDLIBS of adb

adb doesn't really use ncurses-libs, remove it.

Add -ldl for the symbols dlclose, dlerror, dlopen...
introduced from dso_dlfcn.c of libcrypto_static.a.

Change-Id: If1cc23987a9b35ec535bbf8f4e7db141b9f10af7
diff --git a/adb/Android.mk b/adb/Android.mk
index bc8315e..32dd95a 100644
--- a/adb/Android.mk
+++ b/adb/Android.mk
@@ -16,7 +16,7 @@
 ifeq ($(HOST_OS),linux)
   USB_SRCS := usb_linux.c
   EXTRA_SRCS := get_my_path_linux.c
-  LOCAL_LDLIBS += -lrt -lncurses -lpthread
+  LOCAL_LDLIBS += -lrt -ldl -lpthread
 endif
 
 ifeq ($(HOST_OS),darwin)
@@ -139,7 +139,7 @@
 ifneq ($(SDK_ONLY),true)
 include $(CLEAR_VARS)
 
-LOCAL_LDLIBS := -lrt -lncurses -lpthread
+LOCAL_LDLIBS := -lrt -ldl -lpthread
 
 LOCAL_SRC_FILES := \
 	adb.c \