[gamecode] Add debug event name strings

Makes it easier to print nice debug event messages.

include/QF/pr_debug.h

@@ -75,6 +75,8 @@ typedef struct pr_debug_header_s {
 	pr_uint_t   debug_data;
 	pr_uint_t   debug_data_size;
 } pr_debug_header_t;
+
+extern const char *prdebug_names[];
 #endif
 
 typedef enum prdebug_e {

libs/gamecode/pr_exec.c

@@ -52,6 +52,18 @@
 #include "QF/simd/vec4i.h"
 #include "compat.h"
 
+const char *prdebug_names[] = {
+	[prd_none] = "none",
+	[prd_trace] = "trace",
+	[prd_breakpoint] = "breakpoint",
+	[prd_watchpoint] = "watchpoint",
+	[prd_subenter] = "subenter",
+	[prd_subexit] = "subexit",
+	[prd_begin] = "begin",
+	[prd_terminate] = "terminate",
+	[prd_runerror] = "runerror",
+	[prd_error] = "error",
+};
 
 /*
 	PR_RunError