feat: build static_library for liteos_m and fix INT32 conflict

Signed-off-by: Nleihuang <leihuang@bestechnic.com>

BUILD.gn

@@ -70,7 +70,11 @@ libjpeg_source = [
 
 if (defined(ohos_lite)) {
   lite_library("libjpeg") {
-    target_type = "shared_library"
+    if (ohos_kernel_type == "liteos_m") {
+      target_type = "static_library"
+    } else {
+      target_type = "shared_library"
+    }
     sources = libjpeg_source
 
     public_configs = [ ":libjpeg_config" ]

jmorecfg.h

@@ -213,7 +213,7 @@ typedef short INT16;
 #ifndef _BASETSD_H_		/* Microsoft defines it in basetsd.h */
 #ifndef _BASETSD_H		/* MinGW is slightly different */
 #ifndef QGLOBAL_H		/* Qt defines it in qglobal.h */
-typedef long INT32;
+typedef signed int INT32;
 #endif
 #endif
 #endif