add some missing non-square matrix funcs

src/mat3x4.c

@@ -8,6 +8,18 @@
 #include "../include/cglm/cglm.h"
 #include "../include/cglm/call.h"
 
+CGLM_EXPORT
+void
+glmc_mat3x4_copy(mat3x4 mat, mat3x4 dest) {
+  glm_mat3x4_copy(mat, dest);
+}
+
+CGLM_EXPORT
+void
+glmc_mat3x4_zero(mat3x4 mat) {
+  glm_mat3x4_zero(mat);
+}
+
 CGLM_EXPORT
 void
 glmc_mat3x4_make(float * __restrict src, mat3x4 dest) {