make path explicit when running imgdiff
The build servers don't run "lunch" before building, so they don't
have the same path as everyone else. Explicitly set it when running
imgdiff.
diff --git a/core/Makefile b/core/Makefile
index da5b4c6..8062542 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -655,7 +655,7 @@
$(HOST_OUT_EXECUTABLES)/bsdiff
@echo "Construct recovery from boot"
mkdir -p $(dir $@)
- $(HOST_OUT_EXECUTABLES)/imgdiff $(INSTALLED_BOOTIMAGE_TARGET) $(INSTALLED_RECOVERYIMAGE_TARGET) $@
+ PATH=$(HOST_OUT_EXECUTABLES):$$PATH $(HOST_OUT_EXECUTABLES)/imgdiff $(INSTALLED_BOOTIMAGE_TARGET) $(INSTALLED_RECOVERYIMAGE_TARGET) $@
else # TARGET_PRODUCT == sdk
RECOVERY_FROM_BOOT_PATCH :=
endif