fixed strings in n1_dims(): n1_dcols() -> n1_dims()

modules/java/generator/src/cpp/Mat.cpp

@@ -540,15 +540,15 @@ JNIEXPORT jint JNICALL Java_org_opencv_core_Mat_n_1dims
 
         return _retval_;
     } catch(cv::Exception e) {
-        LOGD("Mat::n_1cols() catched cv::Exception: %s", e.what());
+        LOGD("Mat::n_1dims() catched cv::Exception: %s", e.what());
         jclass je = env->FindClass("org/opencv/core/CvException");
         if(!je) je = env->FindClass("java/lang/Exception");
         env->ThrowNew(je, e.what());
         return 0;
     } catch (...) {
-        LOGD("Mat::n_1cols() catched unknown exception (...)");
+        LOGD("Mat::n_1dims() catched unknown exception (...)");
         jclass je = env->FindClass("java/lang/Exception");
-        env->ThrowNew(je, "Unknown exception in JNI code {Mat::n_1cols()}");
+        env->ThrowNew(je, "Unknown exception in JNI code {Mat::n_1dims()}");
         return 0;
     }
 }