Add placeholder for kinit's store file name.

diff --git a/src/kdeinitinterface.cpp b/src/kdeinitinterface.cpp
index 22fa5e5..3d40937 100644
--- a/src/kdeinitinterface.cpp
+++ b/src/kdeinitinterface.cpp
@@ -52,7 +52,7 @@ void KDEInitInterface::ensureKdeinitRunning()
     // If not found in system paths, search other paths
     if (srv.isEmpty()) {
         const QStringList searchPaths = QStringList()
-            << QCoreApplication::applicationDirPath() // then look where our application binary is located
+            << QString::fromUtf8("@SUBSTITUTEME@/bin") // using QStringLiteral would be more efficient, but breaks guix store reference detection.
             << QLibraryInfo::location(QLibraryInfo::BinariesPath); // look where exec path is (can be set in qt.conf)
         srv = QStandardPaths::findExecutable(QStringLiteral("kdeinit5"), searchPaths);
         if (srv.isEmpty()) {
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<tr><td><span title='2017-05-08 17:25:44 +0200'>2017-05-08</span></td><td><a href='/guix/commit/gnu/packages/patches/mozjs38-pkg-config-version.patch?id=29f381bac72d207e8bf0a2c73c82d7a77b45b597'>gnu: Add mozjs-38 (Mozilla SpiderMonkey 38).</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/gnuzilla.scm (mozjs-38): New variable.
* gnu/packages/patches/mozjs38-pkg-config-version.patch,
gnu/packages/patches/mozjs38-shell-version.patch,
gnu/packages/patches/mozjs38-tracelogger.patch,
gnu/packages/patches/mozjs38-version-detection.patch: New files.
* gnu/local.mk (dist_patch_DATA): Add them.

Co-authored-by: ng0 &lt;ng0@no-reply.pragmatique.xyz&gt;
</span></span></td><td>Clément Lassieur</td></tr>