Remove warnings

modules/globebrowsing/globebrowsingmodule.cpp

@@ -124,12 +124,16 @@ namespace {
             int iDataset = -1;
             std::array<char, 256> IdentifierBuffer;
             std::fill(IdentifierBuffer.begin(), IdentifierBuffer.end(), '\0');
-            sscanf(
+            int ret = sscanf(
                 subDatasets[i],
                 "SUBDATASET_%i_%256[^=]",
                 &iDataset,
                 IdentifierBuffer.data()
             );
+            if (ret != 2) {
+                LERROR("Error parsing dataset");
+                continue;
+            }
 
 
             if (iDataset != currentLayerNumber) {