mingw: Update third-party libraries

Dockerfile.mingw

@@ -30,9 +30,9 @@ RUN apt-get update && \
 
 RUN curl -L -O https://gmplib.org/download/gmp/gmp-6.1.1.tar.lz && \
     curl -L -O http://downloads.sourceforge.net/project/expat/expat/2.2.0/expat-2.2.0.tar.bz2 && \
-    curl -L -O https://sqlite.org/2016/sqlite-autoconf-3140200.tar.gz && \
+    curl -L -O https://www.sqlite.org/2016/sqlite-autoconf-3150000.tar.gz && \
     curl -L -O http://zlib.net/zlib-1.2.8.tar.xz && \
-    curl -L -O http://c-ares.haxx.se/download/c-ares-1.11.0.tar.gz && \
+    curl -L -O https://c-ares.haxx.se/download/c-ares-1.12.0.tar.gz && \
     curl -L -O http://libssh2.org/download/libssh2-1.7.0.tar.gz
 
 RUN tar xf gmp-6.1.1.tar.lz && \
@@ -57,8 +57,8 @@ RUN tar xf expat-2.2.0.tar.bz2 && \
         --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` && \
     make install
 
-RUN tar xf sqlite-autoconf-3140200.tar.gz && \
-    cd sqlite-autoconf-3140200 && \
+RUN tar xf sqlite-autoconf-3150000.tar.gz && \
+    cd sqlite-autoconf-3150000 && \
     ./configure \
         --disable-shared \
         --enable-static \
@@ -81,8 +81,8 @@ RUN tar xf zlib-1.2.8.tar.xz && \
         --static && \
     make install
 
-RUN tar xf c-ares-1.11.0.tar.gz && \
-    cd c-ares-1.11.0 && \
+RUN tar xf c-ares-1.12.0.tar.gz && \
+    cd c-ares-1.12.0 && \
     ./configure \
         --disable-shared \
         --enable-static \

README.mingw

@@ -14,9 +14,9 @@ necessary. The linked libraries are:
 
 * gmp 6.1.1
 * expat 2.2.0
-* sqlite 3.14.2
+* sqlite 3.15.0
 * zlib 1.2.8
-* c-ares 1.11.0
+* c-ares 1.12.0
 * libssh2 1.7.0
 
 This build has the following difference from the original release: