extract_utils: Fix up 4a2b65fb60af23b6beccd8c405fc7cea90b9474d

Change-Id: I9e5ea799812ca932de95ec6cbdedb604cbde5736
diff --git a/build/tools/extract_utils.sh b/build/tools/extract_utils.sh
index 4a8ead3..fcffb31 100644
--- a/build/tools/extract_utils.sh
+++ b/build/tools/extract_utils.sh
@@ -1198,11 +1198,11 @@
     fi
 
     if [ -z "$VDEXEXTRACTOR" ]; then
-        export VDEXEXTRACTOR="$LINEAGE_ROOT"/prebuilts/tools-lineage/{HOST}-x86/bin/vdexExtractor
+        export VDEXEXTRACTOR="$LINEAGE_ROOT"/prebuilts/tools-lineage/${HOST}-x86/bin/vdexExtractor
     fi
 
     if [ -z "$CDEXCONVERTER" ]; then
-        export CDEXCONVERTER="$LINEAGE_ROOT"/prebuilts/tools-lineage/{HOST}-x86/bin/compact_dex_converter
+        export CDEXCONVERTER="$LINEAGE_ROOT"/prebuilts/tools-lineage/${HOST}-x86/bin/compact_dex_converter
     fi
 
     # Extract existing boot.oats to the temp folder