dropbear: clean up default PATH handling in makefile

Harmonise handling of DEFAULT_PATH by removing the patch introducing #ifndef
guards around the path, and only using one means to set the path in the
makefile.

Signed-off-by: Dario Ernst <Dario.Ernst@riverbed.com>

package/network/services/dropbear/Makefile

@@ -77,13 +77,13 @@ CONFIGURE_ARGS += \
 	--disable-zlib \
 	--enable-bundled-libtom
 
-TARGET_CFLAGS += -DDEFAULT_PATH=\\\"$(CONFIG_TARGET_INIT_PATH)\\\" -DARGTYPE=3 -ffunction-sections -fdata-sections
+TARGET_CFLAGS += -DARGTYPE=3 -ffunction-sections -fdata-sections
 TARGET_LDFLAGS += -Wl,--gc-sections
 
 define Build/Configure
 	$(Build/Configure/Default)
 
-	$(SED) 's,^#define DEFAULT_PATH .*$$$$,#define DEFAULT_PATH "$(CONFIG_TARGET_INIT_PATH)",g' \
+	$(SED) 's,^#define DEFAULT_PATH .*$$$$,#define DEFAULT_PATH "$(TARGET_INIT_PATH)",g' \
 		$(PKG_BUILD_DIR)/options.h
 
 	awk 'BEGIN { rc = 1 } \

package/network/services/dropbear/patches/500-set-default-path.patch

@@ -1,12 +0,0 @@
---- a/options.h
-+++ b/options.h
-@@ -352,7 +352,9 @@ be overridden at runtime with -I. 0 disa
- #define DEFAULT_IDLE_TIMEOUT 0
- 
- /* The default path. This will often get replaced by the shell */
-+#ifndef DEFAULT_PATH
- #define DEFAULT_PATH "/usr/bin:/bin"
-+#endif
- 
- /* Some other defines (that mostly should be left alone) are defined
-  * in sysoptions.h */