#2201 Fix 32-bit MSVC compiler error due to unknown command #warning

Author: thbeu

httplib.h

@@ -15,6 +15,12 @@
  * Platform compatibility check
  */
 
+#if defined(_MSC_VER)
+#if defined(_WIN32) && !defined(_WIN64)
+#pragma message(                                                               \
+    "cpp-httplib doesn't support 32-bit Windows. Please use a 64-bit compiler.")
+#endif
+#else
 #if defined(_WIN32) && !defined(_WIN64)
 #warning                                                                       \
     "cpp-httplib doesn't support 32-bit Windows. Please use a 64-bit compiler."
@@ -25,6 +31,7 @@
 #warning                                                                       \
     "cpp-httplib doesn't support platforms where size_t is less than 64 bits."
 #endif
+#endif
 
 #ifdef _WIN32
 #if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0A00