sym-info-cmds.exp: add missing quote in test name

gdb/testsuite/ChangeLog:

	* lib/sym-info-cmds.exp (GDBInfoModuleSymbols::check_no_entry):
	Add quote in test name.

gdb/testsuite/ChangeLog

+2019-12-20  Simon Marchi  <simon.marchi@efficios.com>
+
+	* lib/sym-info-cmds.exp (GDBInfoModuleSymbols::check_no_entry):
+	Add quote in test name.
+
 2019-12-20  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>
 	* gdb.cp/pass-by-ref.cc: Delete.  Generated in the output

gdb/testsuite/lib/sym-info-cmds.exp

@@ -482,7 +482,7 @@ namespace eval GDBInfoModuleSymbols {
 
 	if { $testname == "" } {
 	    set testname \
-		"$_last_command: check no matches for '$filename', $lineno', and '$text'"
+		"$_last_command: check no matches for '$filename', '$lineno', and '$text'"
 	}
 
 	if { $lineno == "" } {