maint: Eliminate bad spacing around '='. * Figure.h, PopupMenuControl.cc, annotation-dialog.cc, gl-select.h, files-dock-widget.cc, find-files-dialog.cc, history-dock-widget.cc, file-editor.cc, main-window.cc, webinfo.cc, resource-manager.cc, shortcut-manager.cc, workspace-view.cc, __ichol__.cc, __ilu__.cc, __lin_interpn__.cc, bitfcns.cc, debug.cc, filter.cc, ft-text-renderer.cc, graphics.cc, graphics.in.h, hex2num.cc, jit-typeinfo.cc, load-save.cc, ls-mat5.cc, mxarray.in.h, oct-stream.cc, pr-output.cc, variables.cc, __init_fltk__.cc, __magick_read__.cc, chol.cc, ov-struct.cc, op-scm-cs.cc, pt-assign.cc, CollocWt.cc, randpoisson.c, inputParser.m, quadgk.m, waitbar.m, imwrite.m, __imread__.m, textread.m, fileattrib.m, __xzip__.m, what.m, fsolve.m, fix_depends.m, stemleaf.m, bicgstab.m, ichol.m, io.tst: maint: Eliminate bad spacing around '='.

--- a/libinterp/corefcn/filter.cc	Wed Mar 30 21:35:51 2016 -0700
+++ b/libinterp/corefcn/filter.cc	Wed Mar 30 22:09:26 2016 -0700
@@ -45,8 +45,8 @@
 {
   MArray<T> y;
 
-  octave_idx_type a_len  = a.numel ();
-  octave_idx_type b_len  = b.numel ();
+  octave_idx_type a_len = a.numel ();
+  octave_idx_type b_len = b.numel ();
 
   octave_idx_type ab_len = a_len > b_len ? a_len : b_len;