fix input file parsing

GroupedProjectionsBatch.ijm

@@ -36,7 +36,7 @@ function processFolder(input) {
 // Single file projections
 function processFile(inputFile,basePath) {
 // open input input file
-run("Bio-Formats Importer", "open="+inputFile+" color_mode=Default rois_import=[ROI manager] view=Hyperstack stack_order=XYCZT use_virtual_stack");
+run("Bio-Formats Importer", "open=["+inputFile+"] color_mode=Default rois_import=[ROI manager] view=Hyperstack stack_order=XYCZT use_virtual_stack");
 inputID = getImageID();
 
 // Input checking
@@ -140,4 +140,5 @@ function getBar(p1, p2) {
     return substring(bar2, 0, index) + substring(bar1, index+1, n);
 }
 }
-}
\ No newline at end of file
+}
+