Memory (Windows): check for error cases

Author: CarterLi

src/detection/memory/memory_windows.c

@@ -5,7 +5,11 @@ void ffDetectMemory(FFMemoryStorage* ram)
     MEMORYSTATUSEX statex = {
         .dwLength = sizeof(statex),
     };
-    GlobalMemoryStatusEx(&statex);
+    if (!GlobalMemoryStatusEx(&statex))
+    {
+        ffStrbufAppendS(&ram->error, "GlobalMemoryStatusEx() failed");
+        return;
+    }
     ram->bytesTotal = statex.ullTotalPhys;
     ram->bytesUsed = statex.ullTotalPhys - statex.ullAvailPhys;
 }

src/detection/swap/swap_windows.cpp

@@ -23,7 +23,7 @@ void ffDetectSwap(FFMemoryStorage* swap)
         {
             if(!(pstart = (SYSTEM_PAGEFILE_INFORMATION*)realloc(pstart, size)))
             {
-                ffStrbufAppendF(&swap->error, "relloc(pstart, %lu) failed", size);
+                ffStrbufAppendF(&swap->error, "realloc(pstart, %lu) failed", size);
                 return;
             }
         }