Merge pull request opencv#19561 from mshabunin:plugin-load-now

Author: alalek

modules/core/include/opencv2/core/utils/plugin_loader.private.hpp

@@ -80,7 +80,7 @@ LibHandle_t libraryLoad_(const FileSystemPath_t& filename)
     return LoadLibraryW(filename.c_str());
 #endif
 #elif defined(__linux__) || defined(__APPLE__) || defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__HAIKU__) || defined(__GLIBC__)
-    return dlopen(filename.c_str(), RTLD_LAZY);
+    return dlopen(filename.c_str(), RTLD_NOW);
 #endif
 }