Fixed the path of the onos-netcfg

Change-Id: I60e5cdf6c8863c235395d341c4db21d4c5ba2ef3
diff --git a/tools/dev/bash_profile b/tools/dev/bash_profile
index aa3aff5..be8a9d4 100644
--- a/tools/dev/bash_profile
+++ b/tools/dev/bash_profile
@@ -25,7 +25,8 @@
 # Setup a path
 export PATH="$PATH:$ONOS_ROOT/tools/dev/bin"
 export PATH="$PATH:$ONOS_ROOT/tools/test/bin:$ONOS_ROOT/tools/test/scenarios/bin"
-export PATH="$ONOS_ROOT/tools/package/runtime/bin:$PATH"
+export RUN_PACK_PATH=${RUN_PACK_PATH:-$ONOS_ROOT/tools/package/runtime/bin}
+export PATH="$RUN_PACK_PATH:$PATH"
 export PATH="$PATH:$ONOS_ROOT/tools/build"
 export PATH="$PATH:$MAVEN/bin:$KARAF_ROOT/bin"