contrib/valgrind: Fix use of frame-level suppression

Fix use of frame-level wildcard usage in suppression file.

ASTERISK-27243 #close
Reported-by: Richard Kenner

Change-Id: I1c0c64c5f305d2c9aa124e11f1f64a2eec52dc51

contrib/valgrind.supp

@@ -5,26 +5,26 @@
 {
    dlclose-1
    Memcheck:Addr1
-   fun:...
+   ...
    fun:dlclose
    fun:load_dynamic_module
-   fun:...
+   ...
 }
 {
    dlclose-2
    Memcheck:Addr2
-   fun:...
+   ...
    fun:dlclose
    fun:load_dynamic_module
-   fun:...
+   ...
 }
 {
    dlclose-4
    Memcheck:Addr4
-   fun:...
+   ...
    fun:dlclose
    fun:load_dynamic_module
-   fun:...
+   ...
 }
 
 
@@ -36,6 +36,6 @@
    speex_decode
    Memcheck:Cond
    fun:speex_decode_int
-   fun:...
+   ...
 }