Fix 2 unused parameter warnings in zipalign.

ZipFile parameter was not used and therefore can be removed.

Bug: 26936282
Change-Id: Id2b6e693b40571b7e7486304a6effaedc1b3c940
diff --git a/tools/zipalign/ZipEntry.cpp b/tools/zipalign/ZipEntry.cpp
index a13b8d1..2f33e23 100644
--- a/tools/zipalign/ZipEntry.cpp
+++ b/tools/zipalign/ZipEntry.cpp
@@ -142,8 +142,7 @@
  *
  * Initializes the CDE and the LFH.
  */
-status_t ZipEntry::initFromExternal(const ZipFile* pZipFile,
-    const ZipEntry* pEntry)
+status_t ZipEntry::initFromExternal(const ZipEntry* pEntry)
 {
     /*
      * Copy everything in the CDE over, then fix up the hairy bits.