edc_navigator: fix evaluation order

Summary: fix static analyzer warning

Reviewers: Hermet, Jaehyun_Cho

Reviewed By: Jaehyun_Cho

Differential Revision: https://phab.enlightenment.org/D4008

src/bin/edc_navigator.c

@@ -7,13 +7,15 @@
 #define PROGRAM_IDX (IDX_MAX - 1)
 
 #define ESCAPE_GOTO_END() \
-   p = strstr(++p, "\""); \
+   p++; \
+   p = strstr(p, "\""); \
    if (!p) goto end; \
    p++; \
    continue
 
 #define ESCAPE_RET_NULL() \
-   p = strstr(++p, "\""); \
+   p++; \
+   p = strstr(p, "\""); \
    if (!p) return NULL; \
    p++; \
    continue