Make things consistent with how softmmu/vl.c uses os_find_datadir.
Initializing the path to the executables will also be needed for
get_relocatable_path to work.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alexander Bulekov <alxndr@bu.edu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 tests/qtest/fuzz/fuzz.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/qtest/fuzz/fuzz.c b/tests/qtest/fuzz/fuzz.c
index e906ef9efa..1811cb1d88 100644
--- a/tests/qtest/fuzz/fuzz.c
+++ b/tests/qtest/fuzz/fuzz.c
@@ -153,6 +153,7 @@ int LLVMFuzzerInitialize(int *argc, char ***argv, char ***envp)
     module_call_init(MODULE_INIT_QOM);
     module_call_init(MODULE_INIT_LIBQOS);
 
+    qemu_init_exec_dir(**argv);
     target_name = strstr(**argv, "-target-");
     if (target_name) {        /* The binary name specifies the target */
         target_name += strlen("-target-");
@@ -165,7 +166,7 @@ int LLVMFuzzerInitialize(int *argc, char ***argv, char ***envp)
          * location of the executable. Using this we add exec_dir/pc-bios to
          * the datadirs.
          */
-        bindir = g_path_get_dirname(**argv);
+        bindir = qemu_get_exec_dir();
         datadir = g_build_filename(bindir, "pc-bios", NULL);
         if (g_file_test(datadir, G_FILE_TEST_IS_DIR)) {
             qemu_add_data_dir(datadir);
-- 
2.26.2