WINTERMUTE: Don't mix different path separators.

Fixes #7068

1 files changed, 8 insertions, 1 deletions

diff --git a/engines/wintermute/base/file/base_disk_file.cpp b/engines/wintermute/base/file/base_disk_file.cpp
index 82a9e24dfb..b051c2ec39 100644
--- a/engines/wintermute/base/file/base_disk_file.cpp
+++ b/engines/wintermute/base/file/base_disk_file.cpp
@@ -135,7 +135,14 @@ Common::SeekableReadStream *openDiskFile(const Common::String &filename) {
 	}
 	// File wasn't found in SearchMan, try to parse the path as a relative path.
 	if (!file) {
-		Common::FSNode searchNode = getNodeForRelativePath(filename);
+		Common::String filenameBackSlash = filename;
+		for (size_t i = 0; i < filenameBackSlash.size(); i++) {
+			if (filenameBackSlash[i] == '/') {
+				filenameBackSlash.setChar('\\', i);
+			}
+		}
+
+		Common::FSNode searchNode = getNodeForRelativePath(filenameBackSlash);
 		if (searchNode.exists() && !searchNode.isDirectory() && searchNode.isReadable()) {
 			file = searchNode.createReadStream();
 		}