pySCG: ensure KNOWN_ISSUES.md has proper trailing newline

Fix generate_issue_report.py to add trailing newline when saving.

Signed-off-by: tommcd <[email protected]>

Author: tommcd

docs/Secure-Coding-Guide-for-Python/KNOWN_ISSUES.md

@@ -170,6 +170,9 @@ Python Code Issues:
   CWE-664/CWE-460/noncompliant01.py
     -> Execution timeout (intentional infinite loop/blocking)
 
+  CWE-664/CWE-502/noncompliant01.py
+    -> Execution timeout (intentional infinite loop/blocking)
+
   CWE-664/CWE-833/noncompliant01.py
     -> Execution timeout (intentional infinite loop/blocking)
 
@@ -180,7 +183,7 @@ Python Code Issues:
     -> Execution timeout (intentional infinite loop/blocking)
 
 ======================================================================
-Total Files with Issues: 52
+Total Files with Issues: 53
 
 For detailed output: uv run pytest tests/ -v
-For fix instructions: see tests/README.md
+For fix instructions: see tests/README.md

docs/Secure-Coding-Guide-for-Python/tests/generate_issue_report.py

@@ -206,7 +206,7 @@ def main():
     # Optionally save to file
     if args.save:
         output_file = Path(__file__).parent.parent / "KNOWN_ISSUES.md"
-        output_file.write_text(report, encoding="utf-8")
+        output_file.write_text(report + "\n", encoding="utf-8")
         print(f"\nReport saved to: {output_file}")
 
     return 1