cmFindPackageCommand: Suppress LCC false-positive warning

Extend the LCC warning suppression from commit 08e7fb3cfa
(cmFindPackageCommand: Compile-time path generator expressions,
2022-07-05, v3.25.0-rc1~361^2~5) to cover a new number for the
same warning, now produced by LCC 1.26.15.

Source/cmFindPackageCommand.cxx

@@ -377,6 +377,8 @@ private:
 #  pragma diag_suppress 1222 // invalid error number (3288, but works anyway)
 #  define CM_LCC_DIAG_SUPPRESS_3288
 #  pragma diag_suppress 3288 // parameter was declared but never referenced
+#  define CM_LCC_DIAG_SUPPRESS_3301
+#  pragma diag_suppress 3301 // parameter was declared but never referenced
 #endif
 
 void ResetGenerator()
@@ -421,6 +423,11 @@ bool TryGeneratedPaths(CallbackFn&& filesCollector,
   return false;
 }
 
+#ifdef CM_LCC_DIAG_SUPPRESS_3301
+#  undef CM_LCC_DIAG_SUPPRESS_3301
+#  pragma diag_default 3301
+#endif
+
 #ifdef CM_LCC_DIAG_SUPPRESS_3288
 #  undef CM_LCC_DIAG_SUPPRESS_3288
 #  pragma diag_default 3288