CI: Check for whitespace errors

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,5 +2,4 @@
 <!--- Describe your changes -->
 
 ### How Has This Been Tested?
-<!--- Please describe how you tested your changes. -->
-
+<!--- Please describe how you tested your changes -->

.github/workflows/general.yml

@@ -0,0 +1,11 @@
+name: general
+
+on: [push, pull_request]
+
+jobs:
+  whitespace-errors:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - name: check
+      run: git diff-index --check --cached 4b825dc642cb6eb9a060e54bf8d69288fbee4904

debian/watch

@@ -1,4 +1,3 @@
 version=4
 https://lkrg.org/download/lkrg-(.+).tar.gz
 opts=pgpsigurlmangle=s/$/.sign/ https://lkrg.org/download/lkrg-(.+).tar.gz
-

scripts/copy-builtin.sh

@@ -46,7 +46,7 @@ lkrg-objs += modules/print_log/p_lkrg_debug_log.o
 endif
 
 $(sed -n '/^$(TARGET)-objs += .* \\/,/[^\]$/ {s|src/||; s|$(TARGET)|lkrg|; p}' "$BASEDIR/../Makefile")
- 
+
 EOC
 )
 

src/modules/exploit_detection/p_exploit_detection.h

@@ -532,7 +532,7 @@ static inline int p_ed_kill_task_by_task(struct task_struct *p_task) {
       case 0:
          do {
             struct p_ed_process *p_tmp;
- 
+
             if ( (p_tmp = p_find_ed_by_pid(task_pid_nr(current))) != NULL) {
                p_update_ed_process(p_tmp, p_task, 1);
                p_print_log(P_LOG_ALERT, "ALLOW: Task: Accepting unexpected changes for pid %u, name %s",