no longer need to use initCause

git-svn-id: https://svn.code.sf.net/p/jackcess/code/jackcess/branches/modules@1355 f203690c-595d-4dc9-a70b-905162fa7fd2

src/main/java/com/healthmarketscience/jackcess/impl/CalculatedColumnUtil.java

         buffer.put(intValBytes);
 
       } catch(ArithmeticException e) {
-        throw (IOException)
-          new IOException(withErrorContext(
-              "Numeric value '" + inValue + "' out of range"))
-          .initCause(e);
+        throw new IOException(
+            withErrorContext("Numeric value '" + inValue + "' out of range"), e);
       }
     }
 

src/main/java/com/healthmarketscience/jackcess/impl/ColumnImpl.java

       // too big)
       buffer.putLong(decVal.movePointRight(4).longValueExact());
     } catch(ArithmeticException e) {
-      throw (IOException)
-        new IOException(withErrorContext(
-                "Currency value '" + inValue + "' out of range"))
-        .initCause(e);
+      throw new IOException(
+          withErrorContext("Currency value '" + inValue + "' out of range"), e);
     }
   }
 
       }
       buffer.put(intValBytes);
     } catch(ArithmeticException e) {
-      throw (IOException)
-        new IOException(withErrorContext(
-                "Numeric value '" + inValue + "' out of range"))
-        .initCause(e);
+      throw new IOException(
+          withErrorContext("Numeric value '" + inValue + "' out of range"), e);
     }
   }
 

src/main/java/com/healthmarketscience/jackcess/impl/SqlHelperImpl.java

       // note, start pos is 1-based
       return b.getBytes(1L, (int)b.length());
     } catch(SQLException e) {
-      throw (IOException)(new IOException(e.getMessage())).initCause(e);
+      throw new IOException(e.getMessage(), e);
     }
   }
 
       // note, start pos is 1-based
       return c.getSubString(1L, (int)c.length());
     } catch(SQLException e) {
-      throw (IOException)(new IOException(e.getMessage())).initCause(e);
+      throw new IOException(e.getMessage(), e);
     }
   }
 

src/main/java/com/healthmarketscience/jackcess/util/ImportUtil.java

       return table.getName();
 
     } catch(SQLException e) {
-      throw (IOException)new IOException(e.getMessage()).initCause(e);
+      throw new IOException(e.getMessage(), e);
     }
   }