Unconditionally disable network check for new versions (from Fedora).

diff -u /home/dlove/rpmbuild/BUILD/cube-4.3.4/src/GUI-qt/display/VersionCheckWidget.cpp\~ /home/dlove/rpmbuild/BUILD/cube-4.3.4/src/GUI-qt/display/VersionCheckWidget.cpp
--- cube-4.3.4/src/GUI-qt/display/VersionCheckWidget.cpp~	2016-04-03 00:05:37.942066948 +0100
+++ cube-4.3.4/src/GUI-qt/display/VersionCheckWidget.cpp	2016-05-06 17:16:31.648143908 +0100
@@ -52,7 +52,8 @@
     url              = QUrl( UPDATE_CHECK_URL );
     download         = NULL;
     update_Available = false;
-    bool no_http = env_str2bool( getenv( "CUBE_DISABLE_HTTP_DOCS" ) );
+    // bool no_http = env_str2bool( getenv( "CUBE_DISABLE_HTTP_DOCS" ) );
+    bool no_http = true;
     if ( !no_http )
     {
         updateDescription =   tr( "Check for update is not performed yet." );

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<tr><td><span title='2024-03-13 12:59:42 +0000'>2024-03-13</span></td><td><a href='/guix/commit/gnu/packages/zig-xyz.scm?id=a00341c9e64c28dc05773b84179bedde103a001b'>gnu: zig-zls: Update to 0.10.0.</a><span class='msg-avail'>...</span></td><td>terramorpha</td></tr>
<tr><td><span title='2024-02-19 22:19:44 -0500'>2024-02-19</span></td><td><a href='/guix/commit/gnu/packages/zig-xyz.scm?id=b4148713d18c4b6c37639653de5191eb7f1ca4cc'>gnu: Update wlroots to 0.17.1.</a><span class='msg-avail'>...</span></td><td>Ahmad Draidi</td></tr>
<tr><td><span title='2024-02-14 13:15:40 +0000'>2024-02-14</span></td><td><a href='/guix/commit/gnu/packages/zig-xyz.scm?id=ca47a1346a94d58db8a4828bcfdcd924549b6616'>gnu: river: Add river.desktop file.</a><span class='msg-avail'>...</span></td><td>Erik Eduardo</td></tr>
<tr><td><span title='2023-10-21 00:27:25 +0200'>2023-10-21</span></td><td><a href='/guix/commit/gnu/packages/zig-xyz.scm?id=c942f4dcaba8f44d9f89540c22825e935c5acfd1'>gnu: Add river.</a><span class='msg-avail'>...</span></td><td>Felix Lechner</td></tr>
<tr><td><span title='2023-10-21 00:27:25 +0200'>2023-10-21</span></td><td><a href='/guix/commit/gnu/packages/zig-xyz.scm?id=fb35aba10841b5d8f802cebebc8c4810698190a2'>gnu: Add tigerbeetle.</a><span class='msg-avail'>...</span></td><td>Ekaitz Zarraga</td></tr>
<tr><td><span title='2023-02-09 21:58:17 +0200'>2023-02-09</span></td><td><a href='/guix/commit/gnu/packages/zig-xyz.scm?id=85b065c6fce7c1e9a6c2cd24392b8113a4a66903'>gnu: zig: Update to 0.10.1.</a><span class='msg-avail'>...</span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-01-05 22:37:45 +0100'>2023-01-05</span></td><td><a href='/guix/commit/gnu/packages/zig-xyz.scm?id=c015eb2a0a0f1a7b0147cf2515d9a765c68303be'>gnu: Add zls.</a><span class='msg-avail'>...</span></td><td>Maya Tomasek</td></tr>