Fix sym version targetting mod version with space in name

Correctly handle symbolic version target including a whitespace in their
name.

modulecmd.tcl.in

@@ -1764,7 +1764,7 @@ proc setModuleResolution {mod target {symver {}} {override_res_path 1}} {
 
    # find end-point module and register step-by-step path to get to it
    set res $target
-   set res_path $res
+   lappend res_path $res
    while {$mod ne $res && [info exists g_resolvedPath($res)]} {
       set res $g_resolvedPath($res)
       lappend res_path $res

testsuite/modulefiles.path1/loc_dv10/.version

@@ -0,0 +1,2 @@
+#%Module
+set ModulesVersion {no default}

testsuite/modulefiles.path1/loc_dv10/1.1

@@ -0,0 +1 @@
+#%Module

testsuite/modulefiles.path2/loc_dv10/.version

@@ -0,0 +1,2 @@
+#%Module
+set ModulesVersion {no default}

testsuite/modulefiles.path2/loc_dv10/1.2

@@ -0,0 +1 @@
+#%Module

testsuite/modules.20-locate/069-cross.exp

@@ -572,6 +572,15 @@ for {set i 42} {$i <= 49} {incr i} {
     cross_test_case $i
 }
 
+
+# test default symbol targetting a modulefile version with a whitespace in the name,
+# multiple versions of the module found in several modulepaths
+setenv_var MODULES_AVAIL_INDEPTH 1
+testouterr_cmd sh {avail -t loc_dv10} OK "$modpath1:\nloc_dv10/1.1\n\n$modpath2:\nloc_dv10/1.2"
+testouterr_cmd sh {load loc_dv10} ERR "$err_path'loc_dv10/no default'"
+unsetenv_var MODULES_AVAIL_INDEPTH
+
+
 #
 #  Cleanup
 #