Fix walking generic params in signatures

Author: josesimoes

src/CLR/Core/Execution.cpp

@@ -1981,7 +1981,7 @@ HRESULT CLR_RT_ExecutionEngine::InitializeLocals(
 
                      // ensure we don’t walk past the available generic parameters
                     const int maxParams = parser.GenParamCount;
-                    if (genericParamPosition < 0 || genericParamPosition >= maxParams)
+                    if (genericParamPosition < 0 || genericParamPosition > maxParams)
                     {
                         NANOCLR_SET_AND_LEAVE(CLR_E_OUT_OF_RANGE);
                     }
@@ -1990,7 +1990,7 @@ HRESULT CLR_RT_ExecutionEngine::InitializeLocals(
                     parser.Advance(element);
 
                     // walk forward to the Nth generic-parameter
-                    for (int i = 0; i <= genericParamPosition; i++)
+                    for (int i = 0; i < genericParamPosition; i++)
                     {
                         parser.Advance(element);
                     }

src/CLR/Debugger/Debugger.cpp

@@ -2858,7 +2858,7 @@ bool CLR_DBG_Debugger::Debugging_Value_GetStack(WP_Message *msg)
 
                 // now we've landed on a DATATYPE_VAR; walk to the Nth generic‐type parameter
                 typeParser.Advance(elem);
-                for (int i = 0; i <= res.GenericParamPosition; i++)
+                for (int i = 0; i < res.GenericParamPosition; i++)
                 {
                     parser.Advance(elem);
                 }