fix indentation in various key import methods

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/provider/ProviderHelper.java

@@ -498,13 +498,12 @@ public class ProviderHelper {
                 }
             }
 
-            mIndent -= 1;
-
         } catch (IOException e) {
             log(LogLevel.ERROR, LogType.MSG_IP_FAIL_IO_EXC);
             Log.e(Constants.TAG, "IOException during import", e);
-            mIndent -= 1;
             return SaveKeyringResult.RESULT_ERROR;
+        } finally {
+            mIndent -= 1;
         }
 
         try {
@@ -523,19 +522,16 @@ public class ProviderHelper {
             mContentResolver.applyBatch(KeychainContract.CONTENT_AUTHORITY, operations);
 
             log(LogLevel.OK, LogType.MSG_IP_SUCCESS);
-            mIndent -= 1;
             progress.setProgress(LogType.MSG_IP_SUCCESS.getMsgId(), 90, 100);
             return result;
 
         } catch (RemoteException e) {
             log(LogLevel.ERROR, LogType.MSG_IP_FAIL_REMOTE_EX);
             Log.e(Constants.TAG, "RemoteException during import", e);
-            mIndent -= 1;
             return SaveKeyringResult.RESULT_ERROR;
         } catch (OperationApplicationException e) {
             log(LogLevel.ERROR, LogType.MSG_IP_FAIL_OP_EXC);
             Log.e(Constants.TAG, "OperationApplicationException during import", e);
-            mIndent -= 1;
             return SaveKeyringResult.RESULT_ERROR;
         }
 
@@ -581,6 +577,7 @@ public class ProviderHelper {
         log(LogLevel.START, LogType.MSG_IS,
                 new String[]{ PgpKeyHelper.convertKeyIdToHex(masterKeyId) });
         mIndent += 1;
+        try {
 
             // Canonicalize this key, to assert a number of assumptions made about it.
             keyRing = keyRing.canonicalize(mLog, mIndent);
@@ -651,6 +648,10 @@ public class ProviderHelper {
             log(LogLevel.OK, LogType.MSG_IS_SUCCESS);
             return result;
 
+        } finally {
+            mIndent -= 1;
+        }
+
     }
 
 
@@ -738,12 +739,13 @@ public class ProviderHelper {
                 }
             }
 
-            mIndent -= 1;
             return new SaveKeyringResult(result, mLog);
 
         } catch (IOException e) {
             log(LogLevel.ERROR, LogType.MSG_IP_FAIL_IO_EXC);
             return new SaveKeyringResult(SaveKeyringResult.RESULT_ERROR, mLog);
+        } finally {
+            mIndent -= 1;
         }
 
     }
@@ -833,6 +835,8 @@ public class ProviderHelper {
         } catch (IOException e) {
             log(LogLevel.ERROR, LogType.MSG_IS_FAIL_IO_EXC, null);
             return new SaveKeyringResult(SaveKeyringResult.RESULT_ERROR, mLog);
+        } finally {
+            mIndent -= 1;
         }
 
     }