Move zipalign off NO_ERROR.

I really only care about code that's built for Windows, but I may as
well clean up anywhere that's easy to clean up too...

Bug: N/A
Test: builds
Change-Id: I3ef34fb12ac90e9411b6421e9c23dd8524f056ae
diff --git a/tools/zipalign/ZipEntry.cpp b/tools/zipalign/ZipEntry.cpp
index c3c833e..810d74a 100644
--- a/tools/zipalign/ZipEntry.cpp
+++ b/tools/zipalign/ZipEntry.cpp
@@ -48,7 +48,7 @@
 
     /* read the CDE */
     result = mCDE.read(fp);
-    if (result != NO_ERROR) {
+    if (result != OK) {
         ALOGD("mCDE.read failed\n");
         return result;
     }
@@ -64,7 +64,7 @@
     }
 
     result = mLFH.read(fp);
-    if (result != NO_ERROR) {
+    if (result != OK) {
         ALOGD("mLFH.read failed\n");
         return result;
     }
@@ -103,7 +103,7 @@
      * can defer worrying about that to when we're extracting data.
      */
 
-    return NO_ERROR;
+    return OK;
 }
 
 /*
@@ -189,7 +189,7 @@
             mLFH.mExtraFieldLength+1);
     }
 
-    return NO_ERROR;
+    return OK;
 }
 
 /*
@@ -225,7 +225,7 @@
         mLFH.mExtraFieldLength = padding;
     }
 
-    return NO_ERROR;
+    return OK;
 }
 
 /*
@@ -403,7 +403,7 @@
  */
 status_t ZipEntry::LocalFileHeader::read(FILE* fp)
 {
-    status_t result = NO_ERROR;
+    status_t result = OK;
     uint8_t buf[kLFHLen];
 
     assert(mFileName == NULL);
@@ -499,7 +499,7 @@
             return UNKNOWN_ERROR;
     }
 
-    return NO_ERROR;
+    return OK;
 }
 
 
@@ -537,7 +537,7 @@
  */
 status_t ZipEntry::CentralDirEntry::read(FILE* fp)
 {
-    status_t result = NO_ERROR;
+    status_t result = OK;
     uint8_t buf[kCDELen];
 
     /* no re-use */
@@ -669,7 +669,7 @@
             return UNKNOWN_ERROR;
     }
 
-    return NO_ERROR;
+    return OK;
 }
 
 /*