more consistent exception message format

Author: gavinking

hibernate-core/src/main/java/org/hibernate/engine/jdbc/internal/MutationStatementPreparerImpl.java

@@ -109,7 +109,7 @@ public PreparedStatement prepareStatement() {
 				return preparedStatement;
 			}
 			catch (SQLException e) {
-				throw sqlExceptionHelper().convert( e, "could not prepare statement", sql );
+				throw sqlExceptionHelper().convert( e, "Could not prepare statement", sql );
 			}
 		}
 

hibernate-core/src/main/java/org/hibernate/engine/jdbc/internal/StatementPreparerImpl.java

@@ -193,7 +193,7 @@ public PreparedStatement prepareStatement() {
 				return preparedStatement;
 			}
 			catch ( SQLException e ) {
-				throw sqlExceptionHelper().convert( e, "could not prepare statement", sql );
+				throw sqlExceptionHelper().convert( e, "Could not prepare statement", sql );
 			}
 		}