Fixed Windows compile issues

src/openalpr/support/regex/onig_config.h

@@ -1,6 +1,10 @@
 /* config.h.  Generated from config.h.in by configure.  */
 /* config.h.in.  Generated from configure.in by autoheader.  */
 
+#ifdef _WIN32
+#include "win32/onig_config.h"
+#else
+
 /* Define to one of `_getb67', `GETB67', `getb67' for Cray-2 and Cray-YMP
    systems. This function is required for `alloca.c' support on those systems.
    */
@@ -120,3 +124,7 @@
 
 /* Define to `unsigned int' if <sys/types.h> does not define. */
 /* #undef size_t */
+
+
+
+#endif

src/openalpr/support/regex/oniguruma.h

@@ -81,7 +81,7 @@ extern "C" {
 #if defined(EXPORT) || defined(RUBY_EXPORT)
 #define ONIG_EXTERN   extern __declspec(dllexport)
 #else
-#define ONIG_EXTERN   extern __declspec(dllimport)
+#define ONIG_EXTERN   extern
 #endif
 #endif
 #endif

src/openalpr/support/regex/regenc.c

@@ -29,7 +29,7 @@
 
 #include "regint.h"
 
-OnigEncoding OnigEncDefaultCharEncoding = ONIG_ENCODING_INIT_DEFAULT;
+OnigEncoding OnigEncDefaultCharEncoding = NULL;
 
 extern int
 onigenc_init(void)
@@ -40,6 +40,9 @@ onigenc_init(void)
 extern OnigEncoding
 onigenc_get_default_encoding(void)
 {
+  if (OnigEncDefaultCharEncoding == NULL)
+	OnigEncDefaultCharEncoding = ONIG_ENCODING_INIT_DEFAULT;
+
   return OnigEncDefaultCharEncoding;
 }
 

src/openalpr/support/regex/regint.h

@@ -170,7 +170,7 @@
 #include <stdlib.h>
 #endif
 
-#if defined(HAVE_ALLOCA_H) && !defined(__GNUC__)
+#if defined(HAVE_ALLOCA_H) && !defined(_WIN32) && !defined(__GNUC__)
 #include <alloca.h>
 #endif